Home / 656,738.40-985,107.60-158,102.40

Finding the Fourth Proportional to 656,738.40, 985,107.60 and 158,102.40

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Solution

The fourth proportional to 656,738.40, 985,107.60 and 158,102.40 is: 237,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,738.40 : 985,107.60 = 158,102.40 : x
  2. Step 2: Convert to fraction form
    656,738.40/985,107.60 = 158,102.40/x
  3. Step 3: Cross multiply
    656,738.40x = 985,107.60 × 158,102.40
  4. Step 4: Simplify right side
    656,738.40x = 155,747,875,818.24
  5. Step 5: Solve for x
    x = 155,747,875,818.24/656,738.40
  6. Step 6: Final answer
    x = 237,153.60

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Similar ratio
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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.