Home / 165,199.74-227,974.95-89,748.78

Finding the Fourth Proportional to 165,199.74, 227,974.95 and 89,748.78

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Solution

The fourth proportional to 165,199.74, 227,974.95 and 89,748.78 is: 123,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,199.74 : 227,974.95 = 89,748.78 : x
  2. Step 2: Convert to fraction form
    165,199.74/227,974.95 = 89,748.78/x
  3. Step 3: Cross multiply
    165,199.74x = 227,974.95 × 89,748.78
  4. Step 4: Simplify right side
    165,199.74x = 20,460,473,633.06
  5. Step 5: Solve for x
    x = 20,460,473,633.06/165,199.74
  6. Step 6: Final answer
    x = 123,852.94

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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.