Home / 155,012.87-232,428.81-60,132.19

Finding the Fourth Proportional to 155,012.87, 232,428.81 and 60,132.19

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Solution

The fourth proportional to 155,012.87, 232,428.81 and 60,132.19 is: 90,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,012.87 : 232,428.81 = 60,132.19 : x
  2. Step 2: Convert to fraction form
    155,012.87/232,428.81 = 60,132.19/x
  3. Step 3: Cross multiply
    155,012.87x = 232,428.81 × 60,132.19
  4. Step 4: Simplify right side
    155,012.87x = 13,976,451,901.59
  5. Step 5: Solve for x
    x = 13,976,451,901.59/155,012.87
  6. Step 6: Final answer
    x = 90,163.17

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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.