Home / 165,036.88-227,750.70-89,585.38

Finding the Fourth Proportional to 165,036.88, 227,750.70 and 89,585.38

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Solution

The fourth proportional to 165,036.88, 227,750.70 and 89,585.38 is: 123,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,036.88 : 227,750.70 = 89,585.38 : x
  2. Step 2: Convert to fraction form
    165,036.88/227,750.70 = 89,585.38/x
  3. Step 3: Cross multiply
    165,036.88x = 227,750.70 × 89,585.38
  4. Step 4: Simplify right side
    165,036.88x = 20,403,133,004.77
  5. Step 5: Solve for x
    x = 20,403,133,004.77/165,036.88
  6. Step 6: Final answer
    x = 123,627.72

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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.