Home / 236,724.53-326,679.85-129,294.82

Finding the Fourth Proportional to 236,724.53, 326,679.85 and 129,294.82

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Solution

The fourth proportional to 236,724.53, 326,679.85 and 129,294.82 is: 178,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,724.53 : 326,679.85 = 129,294.82 : x
  2. Step 2: Convert to fraction form
    236,724.53/326,679.85 = 129,294.82/x
  3. Step 3: Cross multiply
    236,724.53x = 326,679.85 × 129,294.82
  4. Step 4: Simplify right side
    236,724.53x = 42,238,012,403.38
  5. Step 5: Solve for x
    x = 42,238,012,403.38/236,724.53
  6. Step 6: Final answer
    x = 178,426.85

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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.