Home / 124,263.45-186,210.86-91,270.17

Finding the Fourth Proportional to 124,263.45, 186,210.86 and 91,270.17

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Solution

The fourth proportional to 124,263.45, 186,210.86 and 91,270.17 is: 136,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,263.45 : 186,210.86 = 91,270.17 : x
  2. Step 2: Convert to fraction form
    124,263.45/186,210.86 = 91,270.17/x
  3. Step 3: Cross multiply
    124,263.45x = 186,210.86 × 91,270.17
  4. Step 4: Simplify right side
    124,263.45x = 16,995,496,391.70
  5. Step 5: Solve for x
    x = 16,995,496,391.70/124,263.45
  6. Step 6: Final answer
    x = 136,769.87

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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.