Home / 129,774.52-179,088.24-70,158.52

Finding the Fourth Proportional to 129,774.52, 179,088.24 and 70,158.52

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Solution

The fourth proportional to 129,774.52, 179,088.24 and 70,158.52 is: 96,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,774.52 : 179,088.24 = 70,158.52 : x
  2. Step 2: Convert to fraction form
    129,774.52/179,088.24 = 70,158.52/x
  3. Step 3: Cross multiply
    129,774.52x = 179,088.24 × 70,158.52
  4. Step 4: Simplify right side
    129,774.52x = 12,564,565,867.80
  5. Step 5: Solve for x
    x = 12,564,565,867.80/129,774.52
  6. Step 6: Final answer
    x = 96,818.43

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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.