Home / 113,343.12-156,459.60-73,059.12

Finding the Fourth Proportional to 113,343.12, 156,459.60 and 73,059.12

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Solution

The fourth proportional to 113,343.12, 156,459.60 and 73,059.12 is: 100,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.12 : 156,459.60 = 73,059.12 : x
  2. Step 2: Convert to fraction form
    113,343.12/156,459.60 = 73,059.12/x
  3. Step 3: Cross multiply
    113,343.12x = 156,459.60 × 73,059.12
  4. Step 4: Simplify right side
    113,343.12x = 11,430,800,691.55
  5. Step 5: Solve for x
    x = 11,430,800,691.55/113,343.12
  6. Step 6: Final answer
    x = 100,851.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.