Home / 109,624.30-164,425.68-74,312.46

Finding the Fourth Proportional to 109,624.30, 164,425.68 and 74,312.46

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Solution

The fourth proportional to 109,624.30, 164,425.68 and 74,312.46 is: 111,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,624.30 : 164,425.68 = 74,312.46 : x
  2. Step 2: Convert to fraction form
    109,624.30/164,425.68 = 74,312.46/x
  3. Step 3: Cross multiply
    109,624.30x = 164,425.68 × 74,312.46
  4. Step 4: Simplify right side
    109,624.30x = 12,218,876,767.97
  5. Step 5: Solve for x
    x = 12,218,876,767.97/109,624.30
  6. Step 6: Final answer
    x = 111,461.39

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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.