Home / 127,655.46-191,482.92-34,158.78

Finding the Fourth Proportional to 127,655.46, 191,482.92 and 34,158.78

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Solution

The fourth proportional to 127,655.46, 191,482.92 and 34,158.78 is: 51,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.46 : 191,482.92 = 34,158.78 : x
  2. Step 2: Convert to fraction form
    127,655.46/191,482.92 = 34,158.78/x
  3. Step 3: Cross multiply
    127,655.46x = 191,482.92 × 34,158.78
  4. Step 4: Simplify right side
    127,655.46x = 6,540,822,938.04
  5. Step 5: Solve for x
    x = 6,540,822,938.04/127,655.46
  6. Step 6: Final answer
    x = 51,238.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.