Home / 135,304.76-186,740.36-77,932.92

Finding the Fourth Proportional to 135,304.76, 186,740.36 and 77,932.92

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Solution

The fourth proportional to 135,304.76, 186,740.36 and 77,932.92 is: 107,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,304.76 : 186,740.36 = 77,932.92 : x
  2. Step 2: Convert to fraction form
    135,304.76/186,740.36 = 77,932.92/x
  3. Step 3: Cross multiply
    135,304.76x = 186,740.36 × 77,932.92
  4. Step 4: Simplify right side
    135,304.76x = 14,553,221,536.65
  5. Step 5: Solve for x
    x = 14,553,221,536.65/135,304.76
  6. Step 6: Final answer
    x = 107,558.83

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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.