Home / 147,081.29-220,532.84-66,013.49

Finding the Fourth Proportional to 147,081.29, 220,532.84 and 66,013.49

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Solution

The fourth proportional to 147,081.29, 220,532.84 and 66,013.49 is: 98,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,081.29 : 220,532.84 = 66,013.49 : x
  2. Step 2: Convert to fraction form
    147,081.29/220,532.84 = 66,013.49/x
  3. Step 3: Cross multiply
    147,081.29x = 220,532.84 × 66,013.49
  4. Step 4: Simplify right side
    147,081.29x = 14,558,142,097.94
  5. Step 5: Solve for x
    x = 14,558,142,097.94/147,081.29
  6. Step 6: Final answer
    x = 98,980.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.