Home / 126,734.04-190,143.18-42,502.50

Finding the Fourth Proportional to 126,734.04, 190,143.18 and 42,502.50

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Solution

The fourth proportional to 126,734.04, 190,143.18 and 42,502.50 is: 63,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.04 : 190,143.18 = 42,502.50 : x
  2. Step 2: Convert to fraction form
    126,734.04/190,143.18 = 42,502.50/x
  3. Step 3: Cross multiply
    126,734.04x = 190,143.18 × 42,502.50
  4. Step 4: Simplify right side
    126,734.04x = 8,081,560,507.95
  5. Step 5: Solve for x
    x = 8,081,560,507.95/126,734.04
  6. Step 6: Final answer
    x = 63,767.88

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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.