Home / 105,217.92-157,828.32-58,766.40

Finding the Fourth Proportional to 105,217.92, 157,828.32 and 58,766.40

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Solution

The fourth proportional to 105,217.92, 157,828.32 and 58,766.40 is: 88,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217.92 : 157,828.32 = 58,766.40 : x
  2. Step 2: Convert to fraction form
    105,217.92/157,828.32 = 58,766.40/x
  3. Step 3: Cross multiply
    105,217.92x = 157,828.32 × 58,766.40
  4. Step 4: Simplify right side
    105,217.92x = 9,275,002,184.45
  5. Step 5: Solve for x
    x = 9,275,002,184.45/105,217.92
  6. Step 6: Final answer
    x = 88,150.40

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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.