Home / 134,932.30-202,074.45-72,465.10

Finding the Fourth Proportional to 134,932.30, 202,074.45 and 72,465.10

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Solution

The fourth proportional to 134,932.30, 202,074.45 and 72,465.10 is: 108,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,932.30 : 202,074.45 = 72,465.10 : x
  2. Step 2: Convert to fraction form
    134,932.30/202,074.45 = 72,465.10/x
  3. Step 3: Cross multiply
    134,932.30x = 202,074.45 × 72,465.10
  4. Step 4: Simplify right side
    134,932.30x = 14,643,345,226.70
  5. Step 5: Solve for x
    x = 14,643,345,226.70/134,932.30
  6. Step 6: Final answer
    x = 108,523.65

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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.