Home / 161,640-223,063.20-94,584.96

Finding the Fourth Proportional to 161,640, 223,063.20 and 94,584.96

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Solution

The fourth proportional to 161,640, 223,063.20 and 94,584.96 is: 130,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640 : 223,063.20 = 94,584.96 : x
  2. Step 2: Convert to fraction form
    161,640/223,063.20 = 94,584.96/x
  3. Step 3: Cross multiply
    161,640x = 223,063.20 × 94,584.96
  4. Step 4: Simplify right side
    161,640x = 21,098,423,849.47
  5. Step 5: Solve for x
    x = 21,098,423,849.47/161,640
  6. Step 6: Final answer
    x = 130,527.24

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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.