Home / 243,366.04-335,823.24-135,921.16

Finding the Fourth Proportional to 243,366.04, 335,823.24 and 135,921.16

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Solution

The fourth proportional to 243,366.04, 335,823.24 and 135,921.16 is: 187,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,366.04 : 335,823.24 = 135,921.16 : x
  2. Step 2: Convert to fraction form
    243,366.04/335,823.24 = 135,921.16/x
  3. Step 3: Cross multiply
    243,366.04x = 335,823.24 × 135,921.16
  4. Step 4: Simplify right side
    243,366.04x = 45,645,484,335.76
  5. Step 5: Solve for x
    x = 45,645,484,335.76/243,366.04
  6. Step 6: Final answer
    x = 187,558.97

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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.