Home / 158,166.81-218,270.19-86,546.84

Finding the Fourth Proportional to 158,166.81, 218,270.19 and 86,546.84

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Solution

The fourth proportional to 158,166.81, 218,270.19 and 86,546.84 is: 119,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,166.81 : 218,270.19 = 86,546.84 : x
  2. Step 2: Convert to fraction form
    158,166.81/218,270.19 = 86,546.84/x
  3. Step 3: Cross multiply
    158,166.81x = 218,270.19 × 86,546.84
  4. Step 4: Simplify right side
    158,166.81x = 18,890,594,119.35
  5. Step 5: Solve for x
    x = 18,890,594,119.35/158,166.81
  6. Step 6: Final answer
    x = 119,434.63

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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.