Home / 173,820.27-239,892.18-105,877.02

Finding the Fourth Proportional to 173,820.27, 239,892.18 and 105,877.02

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Solution

The fourth proportional to 173,820.27, 239,892.18 and 105,877.02 is: 146,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,820.27 : 239,892.18 = 105,877.02 : x
  2. Step 2: Convert to fraction form
    173,820.27/239,892.18 = 105,877.02/x
  3. Step 3: Cross multiply
    173,820.27x = 239,892.18 × 105,877.02
  4. Step 4: Simplify right side
    173,820.27x = 25,399,069,139.70
  5. Step 5: Solve for x
    x = 25,399,069,139.70/173,820.27
  6. Step 6: Final answer
    x = 146,122.60

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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.