Home / 157,627.20-236,462.40-52,435.20

Finding the Fourth Proportional to 157,627.20, 236,462.40 and 52,435.20

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Solution

The fourth proportional to 157,627.20, 236,462.40 and 52,435.20 is: 78,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,627.20 : 236,462.40 = 52,435.20 : x
  2. Step 2: Convert to fraction form
    157,627.20/236,462.40 = 52,435.20/x
  3. Step 3: Cross multiply
    157,627.20x = 236,462.40 × 52,435.20
  4. Step 4: Simplify right side
    157,627.20x = 12,398,953,236.48
  5. Step 5: Solve for x
    x = 12,398,953,236.48/157,627.20
  6. Step 6: Final answer
    x = 78,659.99

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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.