Home / 209,862.66-289,613.98-114,373.38

Finding the Fourth Proportional to 209,862.66, 289,613.98 and 114,373.38

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Solution

The fourth proportional to 209,862.66, 289,613.98 and 114,373.38 is: 157,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,862.66 : 289,613.98 = 114,373.38 : x
  2. Step 2: Convert to fraction form
    209,862.66/289,613.98 = 114,373.38/x
  3. Step 3: Cross multiply
    209,862.66x = 289,613.98 × 114,373.38
  4. Step 4: Simplify right side
    209,862.66x = 33,124,129,787.85
  5. Step 5: Solve for x
    x = 33,124,129,787.85/209,862.66
  6. Step 6: Final answer
    x = 157,837.18

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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.