Home / 113,610.19-156,808.76-70,622.11

Finding the Fourth Proportional to 113,610.19, 156,808.76 and 70,622.11

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Solution

The fourth proportional to 113,610.19, 156,808.76 and 70,622.11 is: 97,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,610.19 : 156,808.76 = 70,622.11 : x
  2. Step 2: Convert to fraction form
    113,610.19/156,808.76 = 70,622.11/x
  3. Step 3: Cross multiply
    113,610.19x = 156,808.76 × 70,622.11
  4. Step 4: Simplify right side
    113,610.19x = 11,074,165,497.68
  5. Step 5: Solve for x
    x = 11,074,165,497.68/113,610.19
  6. Step 6: Final answer
    x = 97,475.11

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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.