Home / 132,659.04-183,068.34-72,229.56

Finding the Fourth Proportional to 132,659.04, 183,068.34 and 72,229.56

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Solution

The fourth proportional to 132,659.04, 183,068.34 and 72,229.56 is: 99,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,659.04 : 183,068.34 = 72,229.56 : x
  2. Step 2: Convert to fraction form
    132,659.04/183,068.34 = 72,229.56/x
  3. Step 3: Cross multiply
    132,659.04x = 183,068.34 × 72,229.56
  4. Step 4: Simplify right side
    132,659.04x = 13,222,945,648.13
  5. Step 5: Solve for x
    x = 13,222,945,648.13/132,659.04
  6. Step 6: Final answer
    x = 99,676.17

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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.