Home / 168,639.24-252,755.80-61,937.40

Finding the Fourth Proportional to 168,639.24, 252,755.80 and 61,937.40

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Solution

The fourth proportional to 168,639.24, 252,755.80 and 61,937.40 is: 92,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,639.24 : 252,755.80 = 61,937.40 : x
  2. Step 2: Convert to fraction form
    168,639.24/252,755.80 = 61,937.40/x
  3. Step 3: Cross multiply
    168,639.24x = 252,755.80 × 61,937.40
  4. Step 4: Simplify right side
    168,639.24x = 15,655,037,086.92
  5. Step 5: Solve for x
    x = 15,655,037,086.92/168,639.24
  6. Step 6: Final answer
    x = 92,831.52

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1.5x scale

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.