Home / 113,416.72-156,449.82-70,901.44

Finding the Fourth Proportional to 113,416.72, 156,449.82 and 70,901.44

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Solution

The fourth proportional to 113,416.72, 156,449.82 and 70,901.44 is: 97,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.72 : 156,449.82 = 70,901.44 : x
  2. Step 2: Convert to fraction form
    113,416.72/156,449.82 = 70,901.44/x
  3. Step 3: Cross multiply
    113,416.72x = 156,449.82 × 70,901.44
  4. Step 4: Simplify right side
    113,416.72x = 11,092,517,525.74
  5. Step 5: Solve for x
    x = 11,092,517,525.74/113,416.72
  6. Step 6: Final answer
    x = 97,803.19

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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.