Home / 136,509.03-188,264.66-88,744.95

Finding the Fourth Proportional to 136,509.03, 188,264.66 and 88,744.95

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Solution

The fourth proportional to 136,509.03, 188,264.66 and 88,744.95 is: 122,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,509.03 : 188,264.66 = 88,744.95 : x
  2. Step 2: Convert to fraction form
    136,509.03/188,264.66 = 88,744.95/x
  3. Step 3: Cross multiply
    136,509.03x = 188,264.66 × 88,744.95
  4. Step 4: Simplify right side
    136,509.03x = 16,707,537,394.74
  5. Step 5: Solve for x
    x = 16,707,537,394.74/136,509.03
  6. Step 6: Final answer
    x = 122,391.44

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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.