Home / 239,056.85-329,871.04-137,054.25

Finding the Fourth Proportional to 239,056.85, 329,871.04 and 137,054.25

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Solution

The fourth proportional to 239,056.85, 329,871.04 and 137,054.25 is: 189,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,056.85 : 329,871.04 = 137,054.25 : x
  2. Step 2: Convert to fraction form
    239,056.85/329,871.04 = 137,054.25/x
  3. Step 3: Cross multiply
    239,056.85x = 329,871.04 × 137,054.25
  4. Step 4: Simplify right side
    239,056.85x = 45,210,227,641.28
  5. Step 5: Solve for x
    x = 45,210,227,641.28/239,056.85
  6. Step 6: Final answer
    x = 189,119.15

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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.