Home / 126,200.90-189,143.48-63,038.66

Finding the Fourth Proportional to 126,200.90, 189,143.48 and 63,038.66

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Solution

The fourth proportional to 126,200.90, 189,143.48 and 63,038.66 is: 94,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,200.90 : 189,143.48 = 63,038.66 : x
  2. Step 2: Convert to fraction form
    126,200.90/189,143.48 = 63,038.66/x
  3. Step 3: Cross multiply
    126,200.90x = 189,143.48 × 63,038.66
  4. Step 4: Simplify right side
    126,200.90x = 11,923,350,738.82
  5. Step 5: Solve for x
    x = 11,923,350,738.82/126,200.90
  6. Step 6: Final answer
    x = 94,479.12

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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.