Home / 125,002.23-172,503.54-67,641.55

Finding the Fourth Proportional to 125,002.23, 172,503.54 and 67,641.55

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Solution

The fourth proportional to 125,002.23, 172,503.54 and 67,641.55 is: 93,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,002.23 : 172,503.54 = 67,641.55 : x
  2. Step 2: Convert to fraction form
    125,002.23/172,503.54 = 67,641.55/x
  3. Step 3: Cross multiply
    125,002.23x = 172,503.54 × 67,641.55
  4. Step 4: Simplify right side
    125,002.23x = 11,668,407,235.86
  5. Step 5: Solve for x
    x = 11,668,407,235.86/125,002.23
  6. Step 6: Final answer
    x = 93,345.59

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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.