Home / 150,619.50-207,854.91-83,564.46

Finding the Fourth Proportional to 150,619.50, 207,854.91 and 83,564.46

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Solution

The fourth proportional to 150,619.50, 207,854.91 and 83,564.46 is: 115,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,619.50 : 207,854.91 = 83,564.46 : x
  2. Step 2: Convert to fraction form
    150,619.50/207,854.91 = 83,564.46/x
  3. Step 3: Cross multiply
    150,619.50x = 207,854.91 × 83,564.46
  4. Step 4: Simplify right side
    150,619.50x = 17,369,283,312.50
  5. Step 5: Solve for x
    x = 17,369,283,312.50/150,619.50
  6. Step 6: Final answer
    x = 115,318.95

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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.