Home / 656,693.28-985,040.19-158,057.28

Finding the Fourth Proportional to 656,693.28, 985,040.19 and 158,057.28

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Solution

The fourth proportional to 656,693.28, 985,040.19 and 158,057.28 is: 237,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,693.28 : 985,040.19 = 158,057.28 : x
  2. Step 2: Convert to fraction form
    656,693.28/985,040.19 = 158,057.28/x
  3. Step 3: Cross multiply
    656,693.28x = 985,040.19 × 158,057.28
  4. Step 4: Simplify right side
    656,693.28x = 155,692,773,122.08
  5. Step 5: Solve for x
    x = 155,692,773,122.08/656,693.28
  6. Step 6: Final answer
    x = 237,085.98

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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.