Home / 236,691.77-326,637.24-129,264.96

Finding the Fourth Proportional to 236,691.77, 326,637.24 and 129,264.96

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Solution

The fourth proportional to 236,691.77, 326,637.24 and 129,264.96 is: 178,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,691.77 : 326,637.24 = 129,264.96 : x
  2. Step 2: Convert to fraction form
    236,691.77/326,637.24 = 129,264.96/x
  3. Step 3: Cross multiply
    236,691.77x = 326,637.24 × 129,264.96
  4. Step 4: Simplify right side
    236,691.77x = 42,222,749,763.11
  5. Step 5: Solve for x
    x = 42,222,749,763.11/236,691.77
  6. Step 6: Final answer
    x = 178,387.06

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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.