Home / 127,598.40-176,082.12-71,008.56

Finding the Fourth Proportional to 127,598.40, 176,082.12 and 71,008.56

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Solution

The fourth proportional to 127,598.40, 176,082.12 and 71,008.56 is: 97,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598.40 : 176,082.12 = 71,008.56 : x
  2. Step 2: Convert to fraction form
    127,598.40/176,082.12 = 71,008.56/x
  3. Step 3: Cross multiply
    127,598.40x = 176,082.12 × 71,008.56
  4. Step 4: Simplify right side
    127,598.40x = 12,503,337,782.95
  5. Step 5: Solve for x
    x = 12,503,337,782.95/127,598.40
  6. Step 6: Final answer
    x = 97,989.77

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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.