Home / 237,807.18-328,165.20-130,374.86

Finding the Fourth Proportional to 237,807.18, 328,165.20 and 130,374.86

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Solution

The fourth proportional to 237,807.18, 328,165.20 and 130,374.86 is: 179,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,807.18 : 328,165.20 = 130,374.86 : x
  2. Step 2: Convert to fraction form
    237,807.18/328,165.20 = 130,374.86/x
  3. Step 3: Cross multiply
    237,807.18x = 328,165.20 × 130,374.86
  4. Step 4: Simplify right side
    237,807.18x = 42,784,490,366.05
  5. Step 5: Solve for x
    x = 42,784,490,366.05/237,807.18
  6. Step 6: Final answer
    x = 179,912.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.