Home / 158,224.32-218,349.63-86,604.71

Finding the Fourth Proportional to 158,224.32, 218,349.63 and 86,604.71

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Solution

The fourth proportional to 158,224.32, 218,349.63 and 86,604.71 is: 119,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,224.32 : 218,349.63 = 86,604.71 : x
  2. Step 2: Convert to fraction form
    158,224.32/218,349.63 = 86,604.71/x
  3. Step 3: Cross multiply
    158,224.32x = 218,349.63 × 86,604.71
  4. Step 4: Simplify right side
    158,224.32x = 18,910,105,293.01
  5. Step 5: Solve for x
    x = 18,910,105,293.01/158,224.32
  6. Step 6: Final answer
    x = 119,514.53

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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.