Home / 157,800.86-236,774.46-69,042.68

Finding the Fourth Proportional to 157,800.86, 236,774.46 and 69,042.68

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Solution

The fourth proportional to 157,800.86, 236,774.46 and 69,042.68 is: 103,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,800.86 : 236,774.46 = 69,042.68 : x
  2. Step 2: Convert to fraction form
    157,800.86/236,774.46 = 69,042.68/x
  3. Step 3: Cross multiply
    157,800.86x = 236,774.46 × 69,042.68
  4. Step 4: Simplify right side
    157,800.86x = 16,347,543,273.95
  5. Step 5: Solve for x
    x = 16,347,543,273.95/157,800.86
  6. Step 6: Final answer
    x = 103,596.03

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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.