Home / 236,581.61-326,488.22-129,152.45

Finding the Fourth Proportional to 236,581.61, 326,488.22 and 129,152.45

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Solution

The fourth proportional to 236,581.61, 326,488.22 and 129,152.45 is: 178,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,581.61 : 326,488.22 = 129,152.45 : x
  2. Step 2: Convert to fraction form
    236,581.61/326,488.22 = 129,152.45/x
  3. Step 3: Cross multiply
    236,581.61x = 326,488.22 × 129,152.45
  4. Step 4: Simplify right side
    236,581.61x = 42,166,752,863.38
  5. Step 5: Solve for x
    x = 42,166,752,863.38/236,581.61
  6. Step 6: Final answer
    x = 178,233.43

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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.