Home / 157,473.26-236,085.15-78,546.86

Finding the Fourth Proportional to 157,473.26, 236,085.15 and 78,546.86

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Solution

The fourth proportional to 157,473.26, 236,085.15 and 78,546.86 is: 117,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,473.26 : 236,085.15 = 78,546.86 : x
  2. Step 2: Convert to fraction form
    157,473.26/236,085.15 = 78,546.86/x
  3. Step 3: Cross multiply
    157,473.26x = 236,085.15 × 78,546.86
  4. Step 4: Simplify right side
    157,473.26x = 18,543,747,225.13
  5. Step 5: Solve for x
    x = 18,543,747,225.13/157,473.26
  6. Step 6: Final answer
    x = 117,758.07

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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.