Home / 105,418.26-157,453.20-95,407.74

Finding the Fourth Proportional to 105,418.26, 157,453.20 and 95,407.74

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Solution

The fourth proportional to 105,418.26, 157,453.20 and 95,407.74 is: 142,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,418.26 : 157,453.20 = 95,407.74 : x
  2. Step 2: Convert to fraction form
    105,418.26/157,453.20 = 95,407.74/x
  3. Step 3: Cross multiply
    105,418.26x = 157,453.20 × 95,407.74
  4. Step 4: Simplify right side
    105,418.26x = 15,022,253,967.77
  5. Step 5: Solve for x
    x = 15,022,253,967.77/105,418.26
  6. Step 6: Final answer
    x = 142,501.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.