Home / 186,613.07-257,524.72-101,730.74

Finding the Fourth Proportional to 186,613.07, 257,524.72 and 101,730.74

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Solution

The fourth proportional to 186,613.07, 257,524.72 and 101,730.74 is: 140,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,613.07 : 257,524.72 = 101,730.74 : x
  2. Step 2: Convert to fraction form
    186,613.07/257,524.72 = 101,730.74/x
  3. Step 3: Cross multiply
    186,613.07x = 257,524.72 × 101,730.74
  4. Step 4: Simplify right side
    186,613.07x = 26,198,178,791.94
  5. Step 5: Solve for x
    x = 26,198,178,791.94/186,613.07
  6. Step 6: Final answer
    x = 140,387.70

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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.