Home / 165,005.64-227,708.40-89,554.20

Finding the Fourth Proportional to 165,005.64, 227,708.40 and 89,554.20

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Solution

The fourth proportional to 165,005.64, 227,708.40 and 89,554.20 is: 123,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,005.64 : 227,708.40 = 89,554.20 : x
  2. Step 2: Convert to fraction form
    165,005.64/227,708.40 = 89,554.20/x
  3. Step 3: Cross multiply
    165,005.64x = 227,708.40 × 89,554.20
  4. Step 4: Simplify right side
    165,005.64x = 20,392,243,595.28
  5. Step 5: Solve for x
    x = 20,392,243,595.28/165,005.64
  6. Step 6: Final answer
    x = 123,585.13

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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.