Home / 157,511.95-236,279.77-45,191.27

Finding the Fourth Proportional to 157,511.95, 236,279.77 and 45,191.27

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Solution

The fourth proportional to 157,511.95, 236,279.77 and 45,191.27 is: 67,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,511.95 : 236,279.77 = 45,191.27 : x
  2. Step 2: Convert to fraction form
    157,511.95/236,279.77 = 45,191.27/x
  3. Step 3: Cross multiply
    157,511.95x = 236,279.77 × 45,191.27
  4. Step 4: Simplify right side
    157,511.95x = 10,677,783,359.33
  5. Step 5: Solve for x
    x = 10,677,783,359.33/157,511.95
  6. Step 6: Final answer
    x = 67,790.31

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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.