Home / 117,113.54-161,615.73-63,397.46

Finding the Fourth Proportional to 117,113.54, 161,615.73 and 63,397.46

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Solution

The fourth proportional to 117,113.54, 161,615.73 and 63,397.46 is: 87,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,113.54 : 161,615.73 = 63,397.46 : x
  2. Step 2: Convert to fraction form
    117,113.54/161,615.73 = 63,397.46/x
  3. Step 3: Cross multiply
    117,113.54x = 161,615.73 × 63,397.46
  4. Step 4: Simplify right side
    117,113.54x = 10,246,026,778.05
  5. Step 5: Solve for x
    x = 10,246,026,778.05/117,113.54
  6. Step 6: Final answer
    x = 87,487.98

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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.