Home / 115,382.44-159,166.04-79,590.16

Finding the Fourth Proportional to 115,382.44, 159,166.04 and 79,590.16

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Solution

The fourth proportional to 115,382.44, 159,166.04 and 79,590.16 is: 109,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382.44 : 159,166.04 = 79,590.16 : x
  2. Step 2: Convert to fraction form
    115,382.44/159,166.04 = 79,590.16/x
  3. Step 3: Cross multiply
    115,382.44x = 159,166.04 × 79,590.16
  4. Step 4: Simplify right side
    115,382.44x = 12,668,050,590.17
  5. Step 5: Solve for x
    x = 12,668,050,590.17/115,382.44
  6. Step 6: Final answer
    x = 109,791.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.