Home / 158,226.20-218,343.71-86,592.37

Finding the Fourth Proportional to 158,226.20, 218,343.71 and 86,592.37

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Solution

The fourth proportional to 158,226.20, 218,343.71 and 86,592.37 is: 119,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,226.20 : 218,343.71 = 86,592.37 : x
  2. Step 2: Convert to fraction form
    158,226.20/218,343.71 = 86,592.37/x
  3. Step 3: Cross multiply
    158,226.20x = 218,343.71 × 86,592.37
  4. Step 4: Simplify right side
    158,226.20x = 18,906,897,798.81
  5. Step 5: Solve for x
    x = 18,906,897,798.81/158,226.20
  6. Step 6: Final answer
    x = 119,492.84

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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.