Home / 132,686.44-183,104.55-72,258.14

Finding the Fourth Proportional to 132,686.44, 183,104.55 and 72,258.14

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Solution

The fourth proportional to 132,686.44, 183,104.55 and 72,258.14 is: 99,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.44 : 183,104.55 = 72,258.14 : x
  2. Step 2: Convert to fraction form
    132,686.44/183,104.55 = 72,258.14/x
  3. Step 3: Cross multiply
    132,686.44x = 183,104.55 × 72,258.14
  4. Step 4: Simplify right side
    132,686.44x = 13,230,794,666.30
  5. Step 5: Solve for x
    x = 13,230,794,666.30/132,686.44
  6. Step 6: Final answer
    x = 99,714.75

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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.