Home / 124,283.43-185,486.22-115,856.19

Finding the Fourth Proportional to 124,283.43, 185,486.22 and 115,856.19

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Solution

The fourth proportional to 124,283.43, 185,486.22 and 115,856.19 is: 172,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,283.43 : 185,486.22 = 115,856.19 : x
  2. Step 2: Convert to fraction form
    124,283.43/185,486.22 = 115,856.19/x
  3. Step 3: Cross multiply
    124,283.43x = 185,486.22 × 115,856.19
  4. Step 4: Simplify right side
    124,283.43x = 21,489,726,746.70
  5. Step 5: Solve for x
    x = 21,489,726,746.70/124,283.43
  6. Step 6: Final answer
    x = 172,909.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.