Home / 392,394.30-588,547.71-108,106.17

Finding the Fourth Proportional to 392,394.30, 588,547.71 and 108,106.17

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Solution

The fourth proportional to 392,394.30, 588,547.71 and 108,106.17 is: 162,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,394.30 : 588,547.71 = 108,106.17 : x
  2. Step 2: Convert to fraction form
    392,394.30/588,547.71 = 108,106.17/x
  3. Step 3: Cross multiply
    392,394.30x = 588,547.71 × 108,106.17
  4. Step 4: Simplify right side
    392,394.30x = 63,625,638,790.37
  5. Step 5: Solve for x
    x = 63,625,638,790.37/392,394.30
  6. Step 6: Final answer
    x = 162,147.20

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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.