Home / 97,718.40-146,577.60-72,932.40

Finding the Fourth Proportional to 97,718.40, 146,577.60 and 72,932.40

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Solution

The fourth proportional to 97,718.40, 146,577.60 and 72,932.40 is: 109,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,718.40 : 146,577.60 = 72,932.40 : x
  2. Step 2: Convert to fraction form
    97,718.40/146,577.60 = 72,932.40/x
  3. Step 3: Cross multiply
    97,718.40x = 146,577.60 × 72,932.40
  4. Step 4: Simplify right side
    97,718.40x = 10,690,256,154.24
  5. Step 5: Solve for x
    x = 10,690,256,154.24/97,718.40
  6. Step 6: Final answer
    x = 109,398.60

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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.