Home / 125,191.74-172,930.23-93,305.28

Finding the Fourth Proportional to 125,191.74, 172,930.23 and 93,305.28

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Solution

The fourth proportional to 125,191.74, 172,930.23 and 93,305.28 is: 128,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,191.74 : 172,930.23 = 93,305.28 : x
  2. Step 2: Convert to fraction form
    125,191.74/172,930.23 = 93,305.28/x
  3. Step 3: Cross multiply
    125,191.74x = 172,930.23 × 93,305.28
  4. Step 4: Simplify right side
    125,191.74x = 16,135,303,530.61
  5. Step 5: Solve for x
    x = 16,135,303,530.61/125,191.74
  6. Step 6: Final answer
    x = 128,884.73

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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.