Home / 125,857.32-173,683.62-69,270.72

Finding the Fourth Proportional to 125,857.32, 173,683.62 and 69,270.72

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Solution

The fourth proportional to 125,857.32, 173,683.62 and 69,270.72 is: 95,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,857.32 : 173,683.62 = 69,270.72 : x
  2. Step 2: Convert to fraction form
    125,857.32/173,683.62 = 69,270.72/x
  3. Step 3: Cross multiply
    125,857.32x = 173,683.62 × 69,270.72
  4. Step 4: Simplify right side
    125,857.32x = 12,031,189,409.61
  5. Step 5: Solve for x
    x = 12,031,189,409.61/125,857.32
  6. Step 6: Final answer
    x = 95,593.88

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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.