Home / 113,191.03-156,204.55-70,774.15

Finding the Fourth Proportional to 113,191.03, 156,204.55 and 70,774.15

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Solution

The fourth proportional to 113,191.03, 156,204.55 and 70,774.15 is: 97,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.03 : 156,204.55 = 70,774.15 : x
  2. Step 2: Convert to fraction form
    113,191.03/156,204.55 = 70,774.15/x
  3. Step 3: Cross multiply
    113,191.03x = 156,204.55 × 70,774.15
  4. Step 4: Simplify right side
    113,191.03x = 11,055,244,731.36
  5. Step 5: Solve for x
    x = 11,055,244,731.36/113,191.03
  6. Step 6: Final answer
    x = 97,668.91

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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.