Home / 237,691.74-328,018.23-130,260.90

Finding the Fourth Proportional to 237,691.74, 328,018.23 and 130,260.90

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Solution

The fourth proportional to 237,691.74, 328,018.23 and 130,260.90 is: 179,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,691.74 : 328,018.23 = 130,260.90 : x
  2. Step 2: Convert to fraction form
    237,691.74/328,018.23 = 130,260.90/x
  3. Step 3: Cross multiply
    237,691.74x = 328,018.23 × 130,260.90
  4. Step 4: Simplify right side
    237,691.74x = 42,727,949,856.21
  5. Step 5: Solve for x
    x = 42,727,949,856.21/237,691.74
  6. Step 6: Final answer
    x = 179,762.03

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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.