Home / 150,389.15-207,526.70-88,320.06

Finding the Fourth Proportional to 150,389.15, 207,526.70 and 88,320.06

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Solution

The fourth proportional to 150,389.15, 207,526.70 and 88,320.06 is: 121,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,389.15 : 207,526.70 = 88,320.06 : x
  2. Step 2: Convert to fraction form
    150,389.15/207,526.70 = 88,320.06/x
  3. Step 3: Cross multiply
    150,389.15x = 207,526.70 × 88,320.06
  4. Step 4: Simplify right side
    150,389.15x = 18,328,770,154.00
  5. Step 5: Solve for x
    x = 18,328,770,154.00/150,389.15
  6. Step 6: Final answer
    x = 121,875.62

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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.