Home / 155,798.49-233,614.68-80,843.16

Finding the Fourth Proportional to 155,798.49, 233,614.68 and 80,843.16

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Solution

The fourth proportional to 155,798.49, 233,614.68 and 80,843.16 is: 121,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,798.49 : 233,614.68 = 80,843.16 : x
  2. Step 2: Convert to fraction form
    155,798.49/233,614.68 = 80,843.16/x
  3. Step 3: Cross multiply
    155,798.49x = 233,614.68 × 80,843.16
  4. Step 4: Simplify right side
    155,798.49x = 18,886,149,981.22
  5. Step 5: Solve for x
    x = 18,886,149,981.22/155,798.49
  6. Step 6: Final answer
    x = 121,221.65

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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.