Home / 114,710.28-158,357.75-71,713.67

Finding the Fourth Proportional to 114,710.28, 158,357.75 and 71,713.67

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Solution

The fourth proportional to 114,710.28, 158,357.75 and 71,713.67 is: 99,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,710.28 : 158,357.75 = 71,713.67 : x
  2. Step 2: Convert to fraction form
    114,710.28/158,357.75 = 71,713.67/x
  3. Step 3: Cross multiply
    114,710.28x = 158,357.75 × 71,713.67
  4. Step 4: Simplify right side
    114,710.28x = 11,356,414,275.09
  5. Step 5: Solve for x
    x = 11,356,414,275.09/114,710.28
  6. Step 6: Final answer
    x = 99,000.84

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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.