Home / 132,944.75-183,430.96-81,248.66

Finding the Fourth Proportional to 132,944.75, 183,430.96 and 81,248.66

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Solution

The fourth proportional to 132,944.75, 183,430.96 and 81,248.66 is: 112,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,944.75 : 183,430.96 = 81,248.66 : x
  2. Step 2: Convert to fraction form
    132,944.75/183,430.96 = 81,248.66/x
  3. Step 3: Cross multiply
    132,944.75x = 183,430.96 × 81,248.66
  4. Step 4: Simplify right side
    132,944.75x = 14,903,519,957.97
  5. Step 5: Solve for x
    x = 14,903,519,957.97/132,944.75
  6. Step 6: Final answer
    x = 112,103.11

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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.