Home / 236,691.99-326,637.54-129,265.18

Finding the Fourth Proportional to 236,691.99, 326,637.54 and 129,265.18

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Solution

The fourth proportional to 236,691.99, 326,637.54 and 129,265.18 is: 178,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,691.99 : 326,637.54 = 129,265.18 : x
  2. Step 2: Convert to fraction form
    236,691.99/326,637.54 = 129,265.18/x
  3. Step 3: Cross multiply
    236,691.99x = 326,637.54 × 129,265.18
  4. Step 4: Simplify right side
    236,691.99x = 42,222,860,402.86
  5. Step 5: Solve for x
    x = 42,222,860,402.86/236,691.99
  6. Step 6: Final answer
    x = 178,387.36

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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.