Home / 157,093.10-235,380.45-78,037.10

Finding the Fourth Proportional to 157,093.10, 235,380.45 and 78,037.10

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Solution

The fourth proportional to 157,093.10, 235,380.45 and 78,037.10 is: 116,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,093.10 : 235,380.45 = 78,037.10 : x
  2. Step 2: Convert to fraction form
    157,093.10/235,380.45 = 78,037.10/x
  3. Step 3: Cross multiply
    157,093.10x = 235,380.45 × 78,037.10
  4. Step 4: Simplify right side
    157,093.10x = 18,368,407,714.70
  5. Step 5: Solve for x
    x = 18,368,407,714.70/157,093.10
  6. Step 6: Final answer
    x = 116,926.89

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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.