Home / 237,508.22-327,761.55-128,612.22

Finding the Fourth Proportional to 237,508.22, 327,761.55 and 128,612.22

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Solution

The fourth proportional to 237,508.22, 327,761.55 and 128,612.22 is: 177,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,508.22 : 327,761.55 = 128,612.22 : x
  2. Step 2: Convert to fraction form
    237,508.22/327,761.55 = 128,612.22/x
  3. Step 3: Cross multiply
    237,508.22x = 327,761.55 × 128,612.22
  4. Step 4: Simplify right side
    237,508.22x = 42,154,140,576.14
  5. Step 5: Solve for x
    x = 42,154,140,576.14/237,508.22
  6. Step 6: Final answer
    x = 177,484.98

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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.