Home / 150,532.56-207,718.02-86,891.40

Finding the Fourth Proportional to 150,532.56, 207,718.02 and 86,891.40

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Solution

The fourth proportional to 150,532.56, 207,718.02 and 86,891.40 is: 119,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,532.56 : 207,718.02 = 86,891.40 : x
  2. Step 2: Convert to fraction form
    150,532.56/207,718.02 = 86,891.40/x
  3. Step 3: Cross multiply
    150,532.56x = 207,718.02 × 86,891.40
  4. Step 4: Simplify right side
    150,532.56x = 18,048,909,563.03
  5. Step 5: Solve for x
    x = 18,048,909,563.03/150,532.56
  6. Step 6: Final answer
    x = 119,900.37

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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.