Home / 179,075.22-247,123.95-103,623.72

Finding the Fourth Proportional to 179,075.22, 247,123.95 and 103,623.72

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Solution

The fourth proportional to 179,075.22, 247,123.95 and 103,623.72 is: 143,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,075.22 : 247,123.95 = 103,623.72 : x
  2. Step 2: Convert to fraction form
    179,075.22/247,123.95 = 103,623.72/x
  3. Step 3: Cross multiply
    179,075.22x = 247,123.95 × 103,623.72
  4. Step 4: Simplify right side
    179,075.22x = 25,607,903,000.09
  5. Step 5: Solve for x
    x = 25,607,903,000.09/179,075.22
  6. Step 6: Final answer
    x = 143,000.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.