Home / 156,720.40-235,080.60-94,512.40

Finding the Fourth Proportional to 156,720.40, 235,080.60 and 94,512.40

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Solution

The fourth proportional to 156,720.40, 235,080.60 and 94,512.40 is: 141,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720.40 : 235,080.60 = 94,512.40 : x
  2. Step 2: Convert to fraction form
    156,720.40/235,080.60 = 94,512.40/x
  3. Step 3: Cross multiply
    156,720.40x = 235,080.60 × 94,512.40
  4. Step 4: Simplify right side
    156,720.40x = 22,218,031,699.44
  5. Step 5: Solve for x
    x = 22,218,031,699.44/156,720.40
  6. Step 6: Final answer
    x = 141,768.60

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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.