Home / 156,282.95-215,666.01-91,751.13

Finding the Fourth Proportional to 156,282.95, 215,666.01 and 91,751.13

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Solution

The fourth proportional to 156,282.95, 215,666.01 and 91,751.13 is: 126,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,282.95 : 215,666.01 = 91,751.13 : x
  2. Step 2: Convert to fraction form
    156,282.95/215,666.01 = 91,751.13/x
  3. Step 3: Cross multiply
    156,282.95x = 215,666.01 × 91,751.13
  4. Step 4: Simplify right side
    156,282.95x = 19,787,600,120.09
  5. Step 5: Solve for x
    x = 19,787,600,120.09/156,282.95
  6. Step 6: Final answer
    x = 126,613.94

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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.