Home / 147,836.16-221,491.52-84,653.76

Finding the Fourth Proportional to 147,836.16, 221,491.52 and 84,653.76

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Solution

The fourth proportional to 147,836.16, 221,491.52 and 84,653.76 is: 126,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,836.16 : 221,491.52 = 84,653.76 : x
  2. Step 2: Convert to fraction form
    147,836.16/221,491.52 = 84,653.76/x
  3. Step 3: Cross multiply
    147,836.16x = 221,491.52 × 84,653.76
  4. Step 4: Simplify right side
    147,836.16x = 18,750,089,976.12
  5. Step 5: Solve for x
    x = 18,750,089,976.12/147,836.16
  6. Step 6: Final answer
    x = 126,830.20

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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.