Home / 114,337.20-157,785-65,938.92

Finding the Fourth Proportional to 114,337.20, 157,785 and 65,938.92

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Solution

The fourth proportional to 114,337.20, 157,785 and 65,938.92 is: 90,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,337.20 : 157,785 = 65,938.92 : x
  2. Step 2: Convert to fraction form
    114,337.20/157,785 = 65,938.92/x
  3. Step 3: Cross multiply
    114,337.20x = 157,785 × 65,938.92
  4. Step 4: Simplify right side
    114,337.20x = 10,404,172,492.20
  5. Step 5: Solve for x
    x = 10,404,172,492.20/114,337.20
  6. Step 6: Final answer
    x = 90,995.52

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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.