Home / 157,096.30-235,644.45-115,269.93

Finding the Fourth Proportional to 157,096.30, 235,644.45 and 115,269.93

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Solution

The fourth proportional to 157,096.30, 235,644.45 and 115,269.93 is: 172,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,096.30 : 235,644.45 = 115,269.93 : x
  2. Step 2: Convert to fraction form
    157,096.30/235,644.45 = 115,269.93/x
  3. Step 3: Cross multiply
    157,096.30x = 235,644.45 × 115,269.93
  4. Step 4: Simplify right side
    157,096.30x = 27,162,719,256.39
  5. Step 5: Solve for x
    x = 27,162,719,256.39/157,096.30
  6. Step 6: Final answer
    x = 172,904.90

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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.