Home / 116,703.24-160,711.59-101,382.78

Finding the Fourth Proportional to 116,703.24, 160,711.59 and 101,382.78

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Solution

The fourth proportional to 116,703.24, 160,711.59 and 101,382.78 is: 139,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,703.24 : 160,711.59 = 101,382.78 : x
  2. Step 2: Convert to fraction form
    116,703.24/160,711.59 = 101,382.78/x
  3. Step 3: Cross multiply
    116,703.24x = 160,711.59 × 101,382.78
  4. Step 4: Simplify right side
    116,703.24x = 16,293,387,772.42
  5. Step 5: Solve for x
    x = 16,293,387,772.42/116,703.24
  6. Step 6: Final answer
    x = 139,613.84

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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.