Home / 437,576.20-656,364.30-105,152.20

Finding the Fourth Proportional to 437,576.20, 656,364.30 and 105,152.20

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Solution

The fourth proportional to 437,576.20, 656,364.30 and 105,152.20 is: 157,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,576.20 : 656,364.30 = 105,152.20 : x
  2. Step 2: Convert to fraction form
    437,576.20/656,364.30 = 105,152.20/x
  3. Step 3: Cross multiply
    437,576.20x = 656,364.30 × 105,152.20
  4. Step 4: Simplify right side
    437,576.20x = 69,018,150,146.46
  5. Step 5: Solve for x
    x = 69,018,150,146.46/437,576.20
  6. Step 6: Final answer
    x = 157,728.30

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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.