Home / 157,437.86-236,137.35-68,752.58

Finding the Fourth Proportional to 157,437.86, 236,137.35 and 68,752.58

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Solution

The fourth proportional to 157,437.86, 236,137.35 and 68,752.58 is: 103,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,437.86 : 236,137.35 = 68,752.58 : x
  2. Step 2: Convert to fraction form
    157,437.86/236,137.35 = 68,752.58/x
  3. Step 3: Cross multiply
    157,437.86x = 236,137.35 × 68,752.58
  4. Step 4: Simplify right side
    157,437.86x = 16,235,052,046.86
  5. Step 5: Solve for x
    x = 16,235,052,046.86/157,437.86
  6. Step 6: Final answer
    x = 103,120.38

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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.