Home / 165,253.24-228,050.86-89,801.72

Finding the Fourth Proportional to 165,253.24, 228,050.86 and 89,801.72

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Solution

The fourth proportional to 165,253.24, 228,050.86 and 89,801.72 is: 123,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,253.24 : 228,050.86 = 89,801.72 : x
  2. Step 2: Convert to fraction form
    165,253.24/228,050.86 = 89,801.72/x
  3. Step 3: Cross multiply
    165,253.24x = 228,050.86 × 89,801.72
  4. Step 4: Simplify right side
    165,253.24x = 20,479,359,475.48
  5. Step 5: Solve for x
    x = 20,479,359,475.48/165,253.24
  6. Step 6: Final answer
    x = 123,927.13

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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.