Home / 157,181.32-235,748.58-57,318.04

Finding the Fourth Proportional to 157,181.32, 235,748.58 and 57,318.04

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Solution

The fourth proportional to 157,181.32, 235,748.58 and 57,318.04 is: 85,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,181.32 : 235,748.58 = 57,318.04 : x
  2. Step 2: Convert to fraction form
    157,181.32/235,748.58 = 57,318.04/x
  3. Step 3: Cross multiply
    157,181.32x = 235,748.58 × 57,318.04
  4. Step 4: Simplify right side
    157,181.32x = 13,512,646,538.38
  5. Step 5: Solve for x
    x = 13,512,646,538.38/157,181.32
  6. Step 6: Final answer
    x = 85,968.53

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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.