Home / 389,247.31-537,069.61-236,281.71

Finding the Fourth Proportional to 389,247.31, 537,069.61 and 236,281.71

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Solution

The fourth proportional to 389,247.31, 537,069.61 and 236,281.71 is: 326,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,247.31 : 537,069.61 = 236,281.71 : x
  2. Step 2: Convert to fraction form
    389,247.31/537,069.61 = 236,281.71/x
  3. Step 3: Cross multiply
    389,247.31x = 537,069.61 × 236,281.71
  4. Step 4: Simplify right side
    389,247.31x = 126,899,725,839.83
  5. Step 5: Solve for x
    x = 126,899,725,839.83/389,247.31
  6. Step 6: Final answer
    x = 326,013.11

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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.