Home / 114,711.28-158,359.13-71,714.67

Finding the Fourth Proportional to 114,711.28, 158,359.13 and 71,714.67

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Solution

The fourth proportional to 114,711.28, 158,359.13 and 71,714.67 is: 99,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,711.28 : 158,359.13 = 71,714.67 : x
  2. Step 2: Convert to fraction form
    114,711.28/158,359.13 = 71,714.67/x
  3. Step 3: Cross multiply
    114,711.28x = 158,359.13 × 71,714.67
  4. Step 4: Simplify right side
    114,711.28x = 11,356,672,749.44
  5. Step 5: Solve for x
    x = 11,356,672,749.44/114,711.28
  6. Step 6: Final answer
    x = 99,002.23

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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.