Home / 142,032.14-195,921.68-91,026.78

Finding the Fourth Proportional to 142,032.14, 195,921.68 and 91,026.78

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Solution

The fourth proportional to 142,032.14, 195,921.68 and 91,026.78 is: 125,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032.14 : 195,921.68 = 91,026.78 : x
  2. Step 2: Convert to fraction form
    142,032.14/195,921.68 = 91,026.78/x
  3. Step 3: Cross multiply
    142,032.14x = 195,921.68 × 91,026.78
  4. Step 4: Simplify right side
    142,032.14x = 17,834,119,662.59
  5. Step 5: Solve for x
    x = 17,834,119,662.59/142,032.14
  6. Step 6: Final answer
    x = 125,563.97

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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.