Home / 236,818.80-326,806.12-129,386.52

Finding the Fourth Proportional to 236,818.80, 326,806.12 and 129,386.52

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Solution

The fourth proportional to 236,818.80, 326,806.12 and 129,386.52 is: 178,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,818.80 : 326,806.12 = 129,386.52 : x
  2. Step 2: Convert to fraction form
    236,818.80/326,806.12 = 129,386.52/x
  3. Step 3: Cross multiply
    236,818.80x = 326,806.12 × 129,386.52
  4. Step 4: Simplify right side
    236,818.80x = 42,284,306,581.50
  5. Step 5: Solve for x
    x = 42,284,306,581.50/236,818.80
  6. Step 6: Final answer
    x = 178,551.31

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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.