Home / 106,782.72-160,894.86-88,470.24

Finding the Fourth Proportional to 106,782.72, 160,894.86 and 88,470.24

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Solution

The fourth proportional to 106,782.72, 160,894.86 and 88,470.24 is: 133,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,782.72 : 160,894.86 = 88,470.24 : x
  2. Step 2: Convert to fraction form
    106,782.72/160,894.86 = 88,470.24/x
  3. Step 3: Cross multiply
    106,782.72x = 160,894.86 × 88,470.24
  4. Step 4: Simplify right side
    106,782.72x = 14,234,406,878.97
  5. Step 5: Solve for x
    x = 14,234,406,878.97/106,782.72
  6. Step 6: Final answer
    x = 133,302.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.