Home / 113,191.66-156,139.43-70,676.38

Finding the Fourth Proportional to 113,191.66, 156,139.43 and 70,676.38

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Solution

The fourth proportional to 113,191.66, 156,139.43 and 70,676.38 is: 97,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.66 : 156,139.43 = 70,676.38 : x
  2. Step 2: Convert to fraction form
    113,191.66/156,139.43 = 70,676.38/x
  3. Step 3: Cross multiply
    113,191.66x = 156,139.43 × 70,676.38
  4. Step 4: Simplify right side
    113,191.66x = 11,035,368,553.58
  5. Step 5: Solve for x
    x = 11,035,368,553.58/113,191.66
  6. Step 6: Final answer
    x = 97,492.78

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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.