Home / 158,468.74-218,560.89-134,674.18

Finding the Fourth Proportional to 158,468.74, 218,560.89 and 134,674.18

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Solution

The fourth proportional to 158,468.74, 218,560.89 and 134,674.18 is: 185,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,468.74 : 218,560.89 = 134,674.18 : x
  2. Step 2: Convert to fraction form
    158,468.74/218,560.89 = 134,674.18/x
  3. Step 3: Cross multiply
    158,468.74x = 218,560.89 × 134,674.18
  4. Step 4: Simplify right side
    158,468.74x = 29,434,508,640.82
  5. Step 5: Solve for x
    x = 29,434,508,640.82/158,468.74
  6. Step 6: Final answer
    x = 185,743.31

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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.