Home / 136,799.95-205,511.31-98,965.91

Finding the Fourth Proportional to 136,799.95, 205,511.31 and 98,965.91

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Solution

The fourth proportional to 136,799.95, 205,511.31 and 98,965.91 is: 148,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,799.95 : 205,511.31 = 98,965.91 : x
  2. Step 2: Convert to fraction form
    136,799.95/205,511.31 = 98,965.91/x
  3. Step 3: Cross multiply
    136,799.95x = 205,511.31 × 98,965.91
  4. Step 4: Simplify right side
    136,799.95x = 20,338,613,314.61
  5. Step 5: Solve for x
    x = 20,338,613,314.61/136,799.95
  6. Step 6: Final answer
    x = 148,674.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.