Home / 226,934.80-340,531.80-156,864.40

Finding the Fourth Proportional to 226,934.80, 340,531.80 and 156,864.40

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Solution

The fourth proportional to 226,934.80, 340,531.80 and 156,864.40 is: 235,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,934.80 : 340,531.80 = 156,864.40 : x
  2. Step 2: Convert to fraction form
    226,934.80/340,531.80 = 156,864.40/x
  3. Step 3: Cross multiply
    226,934.80x = 340,531.80 × 156,864.40
  4. Step 4: Simplify right side
    226,934.80x = 53,417,316,487.92
  5. Step 5: Solve for x
    x = 53,417,316,487.92/226,934.80
  6. Step 6: Final answer
    x = 235,386.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.