Home / 158,204.14-218,310.59-86,582.72

Finding the Fourth Proportional to 158,204.14, 218,310.59 and 86,582.72

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Solution

The fourth proportional to 158,204.14, 218,310.59 and 86,582.72 is: 119,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,204.14 : 218,310.59 = 86,582.72 : x
  2. Step 2: Convert to fraction form
    158,204.14/218,310.59 = 86,582.72/x
  3. Step 3: Cross multiply
    158,204.14x = 218,310.59 × 86,582.72
  4. Step 4: Simplify right side
    158,204.14x = 18,901,925,449.24
  5. Step 5: Solve for x
    x = 18,901,925,449.24/158,204.14
  6. Step 6: Final answer
    x = 119,478.07

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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.