Home / 370,576.02-555,753.76-157,340.78

Finding the Fourth Proportional to 370,576.02, 555,753.76 and 157,340.78

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Solution

The fourth proportional to 370,576.02, 555,753.76 and 157,340.78 is: 235,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,576.02 : 555,753.76 = 157,340.78 : x
  2. Step 2: Convert to fraction form
    370,576.02/555,753.76 = 157,340.78/x
  3. Step 3: Cross multiply
    370,576.02x = 555,753.76 × 157,340.78
  4. Step 4: Simplify right side
    370,576.02x = 87,442,730,086.33
  5. Step 5: Solve for x
    x = 87,442,730,086.33/370,576.02
  6. Step 6: Final answer
    x = 235,964.35

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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.