Home / 186,117.24-256,864.60-109,632.39

Finding the Fourth Proportional to 186,117.24, 256,864.60 and 109,632.39

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Solution

The fourth proportional to 186,117.24, 256,864.60 and 109,632.39 is: 151,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,117.24 : 256,864.60 = 109,632.39 : x
  2. Step 2: Convert to fraction form
    186,117.24/256,864.60 = 109,632.39/x
  3. Step 3: Cross multiply
    186,117.24x = 256,864.60 × 109,632.39
  4. Step 4: Simplify right side
    186,117.24x = 28,160,678,767.07
  5. Step 5: Solve for x
    x = 28,160,678,767.07/186,117.24
  6. Step 6: Final answer
    x = 151,306.12

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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.