Home / 173,685.12-239,732.60-102,088.12

Finding the Fourth Proportional to 173,685.12, 239,732.60 and 102,088.12

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Solution

The fourth proportional to 173,685.12, 239,732.60 and 102,088.12 is: 140,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,685.12 : 239,732.60 = 102,088.12 : x
  2. Step 2: Convert to fraction form
    173,685.12/239,732.60 = 102,088.12/x
  3. Step 3: Cross multiply
    173,685.12x = 239,732.60 × 102,088.12
  4. Step 4: Simplify right side
    173,685.12x = 24,473,850,436.71
  5. Step 5: Solve for x
    x = 24,473,850,436.71/173,685.12
  6. Step 6: Final answer
    x = 140,909.31

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1.5x scale

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.