Home / 234,778.10-323,985.02-127,344.56

Finding the Fourth Proportional to 234,778.10, 323,985.02 and 127,344.56

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Solution

The fourth proportional to 234,778.10, 323,985.02 and 127,344.56 is: 175,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,778.10 : 323,985.02 = 127,344.56 : x
  2. Step 2: Convert to fraction form
    234,778.10/323,985.02 = 127,344.56/x
  3. Step 3: Cross multiply
    234,778.10x = 323,985.02 × 127,344.56
  4. Step 4: Simplify right side
    234,778.10x = 41,257,727,561.84
  5. Step 5: Solve for x
    x = 41,257,727,561.84/234,778.10
  6. Step 6: Final answer
    x = 175,730.74

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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.