Home / 172,173,204.32-258,315,576.80-103,075,201.76

Finding the Fourth Proportional to 172,173,204.32, 258,315,576.80 and 103,075,201.76

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Solution

The fourth proportional to 172,173,204.32, 258,315,576.80 and 103,075,201.76 is: 154,646,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173,204.32 : 258,315,576.80 = 103,075,201.76 : x
  2. Step 2: Convert to fraction form
    172,173,204.32/258,315,576.80 = 103,075,201.76/x
  3. Step 3: Cross multiply
    172,173,204.32x = 258,315,576.80 × 103,075,201.76
  4. Step 4: Simplify right side
    172,173,204.32x = 26,625,930,194,603,820
  5. Step 5: Solve for x
    x = 26,625,930,194,603,820/172,173,204.32
  6. Step 6: Final answer
    x = 154,646,190.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.