Home / 187,263.16-280,943.86-67,332.12

Finding the Fourth Proportional to 187,263.16, 280,943.86 and 67,332.12

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Solution

The fourth proportional to 187,263.16, 280,943.86 and 67,332.12 is: 101,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,263.16 : 280,943.86 = 67,332.12 : x
  2. Step 2: Convert to fraction form
    187,263.16/280,943.86 = 67,332.12/x
  3. Step 3: Cross multiply
    187,263.16x = 280,943.86 × 67,332.12
  4. Step 4: Simplify right side
    187,263.16x = 18,916,545,694.78
  5. Step 5: Solve for x
    x = 18,916,545,694.78/187,263.16
  6. Step 6: Final answer
    x = 101,015.84

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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.