Home / 158,227.74-218,356.34-86,606.22

Finding the Fourth Proportional to 158,227.74, 218,356.34 and 86,606.22

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Solution

The fourth proportional to 158,227.74, 218,356.34 and 86,606.22 is: 119,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,227.74 : 218,356.34 = 86,606.22 : x
  2. Step 2: Convert to fraction form
    158,227.74/218,356.34 = 86,606.22/x
  3. Step 3: Cross multiply
    158,227.74x = 218,356.34 × 86,606.22
  4. Step 4: Simplify right side
    158,227.74x = 18,911,017,220.43
  5. Step 5: Solve for x
    x = 18,911,017,220.43/158,227.74
  6. Step 6: Final answer
    x = 119,517.71

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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.