Home / 105,632.28-158,366.14-52,287.43

Finding the Fourth Proportional to 105,632.28, 158,366.14 and 52,287.43

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Solution

The fourth proportional to 105,632.28, 158,366.14 and 52,287.43 is: 78,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632.28 : 158,366.14 = 52,287.43 : x
  2. Step 2: Convert to fraction form
    105,632.28/158,366.14 = 52,287.43/x
  3. Step 3: Cross multiply
    105,632.28x = 158,366.14 × 52,287.43
  4. Step 4: Simplify right side
    105,632.28x = 8,280,558,459.62
  5. Step 5: Solve for x
    x = 8,280,558,459.62/105,632.28
  6. Step 6: Final answer
    x = 78,390.42

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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.