Home / 157,215.20-235,822.80-94,229.60

Finding the Fourth Proportional to 157,215.20, 235,822.80 and 94,229.60

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Solution

The fourth proportional to 157,215.20, 235,822.80 and 94,229.60 is: 141,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,215.20 : 235,822.80 = 94,229.60 : x
  2. Step 2: Convert to fraction form
    157,215.20/235,822.80 = 94,229.60/x
  3. Step 3: Cross multiply
    157,215.20x = 235,822.80 × 94,229.60
  4. Step 4: Simplify right side
    157,215.20x = 22,221,488,114.88
  5. Step 5: Solve for x
    x = 22,221,488,114.88/157,215.20
  6. Step 6: Final answer
    x = 141,344.40

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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.