Home / 252,319.05-377,968.28-157,257.45

Finding the Fourth Proportional to 252,319.05, 377,968.28 and 157,257.45

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Solution

The fourth proportional to 252,319.05, 377,968.28 and 157,257.45 is: 235,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,319.05 : 377,968.28 = 157,257.45 : x
  2. Step 2: Convert to fraction form
    252,319.05/377,968.28 = 157,257.45/x
  3. Step 3: Cross multiply
    252,319.05x = 377,968.28 × 157,257.45
  4. Step 4: Simplify right side
    252,319.05x = 59,438,327,107.40
  5. Step 5: Solve for x
    x = 59,438,327,107.40/252,319.05
  6. Step 6: Final answer
    x = 235,568.13

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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.