Home / 142,502.90-196,568.34-94,105.29

Finding the Fourth Proportional to 142,502.90, 196,568.34 and 94,105.29

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Solution

The fourth proportional to 142,502.90, 196,568.34 and 94,105.29 is: 129,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,502.90 : 196,568.34 = 94,105.29 : x
  2. Step 2: Convert to fraction form
    142,502.90/196,568.34 = 94,105.29/x
  3. Step 3: Cross multiply
    142,502.90x = 196,568.34 × 94,105.29
  4. Step 4: Simplify right side
    142,502.90x = 18,498,121,024.76
  5. Step 5: Solve for x
    x = 18,498,121,024.76/142,502.90
  6. Step 6: Final answer
    x = 129,808.74

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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.