Home / 174,715.70-261,886.59-90,390.92

Finding the Fourth Proportional to 174,715.70, 261,886.59 and 90,390.92

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Solution

The fourth proportional to 174,715.70, 261,886.59 and 90,390.92 is: 135,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,715.70 : 261,886.59 = 90,390.92 : x
  2. Step 2: Convert to fraction form
    174,715.70/261,886.59 = 90,390.92/x
  3. Step 3: Cross multiply
    174,715.70x = 261,886.59 × 90,390.92
  4. Step 4: Simplify right side
    174,715.70x = 23,672,168,496.33
  5. Step 5: Solve for x
    x = 23,672,168,496.33/174,715.70
  6. Step 6: Final answer
    x = 135,489.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.