Home / 113,195.28-156,199.34-62,207.42

Finding the Fourth Proportional to 113,195.28, 156,199.34 and 62,207.42

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Solution

The fourth proportional to 113,195.28, 156,199.34 and 62,207.42 is: 85,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,195.28 : 156,199.34 = 62,207.42 : x
  2. Step 2: Convert to fraction form
    113,195.28/156,199.34 = 62,207.42/x
  3. Step 3: Cross multiply
    113,195.28x = 156,199.34 × 62,207.42
  4. Step 4: Simplify right side
    113,195.28x = 9,716,758,493.12
  5. Step 5: Solve for x
    x = 9,716,758,493.12/113,195.28
  6. Step 6: Final answer
    x = 85,840.67

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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.