Home / 656,667.28-985,001.10-158,031.28

Finding the Fourth Proportional to 656,667.28, 985,001.10 and 158,031.28

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Solution

The fourth proportional to 656,667.28, 985,001.10 and 158,031.28 is: 237,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,667.28 : 985,001.10 = 158,031.28 : x
  2. Step 2: Convert to fraction form
    656,667.28/985,001.10 = 158,031.28/x
  3. Step 3: Cross multiply
    656,667.28x = 985,001.10 × 158,031.28
  4. Step 4: Simplify right side
    656,667.28x = 155,660,984,634.41
  5. Step 5: Solve for x
    x = 155,660,984,634.41/656,667.28
  6. Step 6: Final answer
    x = 237,046.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.