Home / 142,058.52-195,958.08-91,053.18

Finding the Fourth Proportional to 142,058.52, 195,958.08 and 91,053.18

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Solution

The fourth proportional to 142,058.52, 195,958.08 and 91,053.18 is: 125,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,058.52 : 195,958.08 = 91,053.18 : x
  2. Step 2: Convert to fraction form
    142,058.52/195,958.08 = 91,053.18/x
  3. Step 3: Cross multiply
    142,058.52x = 195,958.08 × 91,053.18
  4. Step 4: Simplify right side
    142,058.52x = 17,842,606,330.69
  5. Step 5: Solve for x
    x = 17,842,606,330.69/142,058.52
  6. Step 6: Final answer
    x = 125,600.40

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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.