Home / 135,329.39-186,774.35-77,957.56

Finding the Fourth Proportional to 135,329.39, 186,774.35 and 77,957.56

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Solution

The fourth proportional to 135,329.39, 186,774.35 and 77,957.56 is: 107,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,329.39 : 186,774.35 = 77,957.56 : x
  2. Step 2: Convert to fraction form
    135,329.39/186,774.35 = 77,957.56/x
  3. Step 3: Cross multiply
    135,329.39x = 186,774.35 × 77,957.56
  4. Step 4: Simplify right side
    135,329.39x = 14,560,472,596.59
  5. Step 5: Solve for x
    x = 14,560,472,596.59/135,329.39
  6. Step 6: Final answer
    x = 107,592.83

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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.