Home / 237,820.76-328,180.11-135,826.17

Finding the Fourth Proportional to 237,820.76, 328,180.11 and 135,826.17

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Solution

The fourth proportional to 237,820.76, 328,180.11 and 135,826.17 is: 187,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,820.76 : 328,180.11 = 135,826.17 : x
  2. Step 2: Convert to fraction form
    237,820.76/328,180.11 = 135,826.17/x
  3. Step 3: Cross multiply
    237,820.76x = 328,180.11 × 135,826.17
  4. Step 4: Simplify right side
    237,820.76x = 44,575,445,671.46
  5. Step 5: Solve for x
    x = 44,575,445,671.46/237,820.76
  6. Step 6: Final answer
    x = 187,432.95

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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.