Home / 173,300.40-239,026.50-109,576.80

Finding the Fourth Proportional to 173,300.40, 239,026.50 and 109,576.80

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Solution

The fourth proportional to 173,300.40, 239,026.50 and 109,576.80 is: 151,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.40 : 239,026.50 = 109,576.80 : x
  2. Step 2: Convert to fraction form
    173,300.40/239,026.50 = 109,576.80/x
  3. Step 3: Cross multiply
    173,300.40x = 239,026.50 × 109,576.80
  4. Step 4: Simplify right side
    173,300.40x = 26,191,758,985.20
  5. Step 5: Solve for x
    x = 26,191,758,985.20/173,300.40
  6. Step 6: Final answer
    x = 151,135.02

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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.