Home / 111,580.26-153,981.96-61,279.26

Finding the Fourth Proportional to 111,580.26, 153,981.96 and 61,279.26

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Solution

The fourth proportional to 111,580.26, 153,981.96 and 61,279.26 is: 84,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,580.26 : 153,981.96 = 61,279.26 : x
  2. Step 2: Convert to fraction form
    111,580.26/153,981.96 = 61,279.26/x
  3. Step 3: Cross multiply
    111,580.26x = 153,981.96 × 61,279.26
  4. Step 4: Simplify right side
    111,580.26x = 9,435,900,562.15
  5. Step 5: Solve for x
    x = 9,435,900,562.15/111,580.26
  6. Step 6: Final answer
    x = 84,566.04

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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.