Home / 229,727.18-316,977.03-134,215.40

Finding the Fourth Proportional to 229,727.18, 316,977.03 and 134,215.40

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Solution

The fourth proportional to 229,727.18, 316,977.03 and 134,215.40 is: 185,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,727.18 : 316,977.03 = 134,215.40 : x
  2. Step 2: Convert to fraction form
    229,727.18/316,977.03 = 134,215.40/x
  3. Step 3: Cross multiply
    229,727.18x = 316,977.03 × 134,215.40
  4. Step 4: Simplify right side
    229,727.18x = 42,543,198,872.26
  5. Step 5: Solve for x
    x = 42,543,198,872.26/229,727.18
  6. Step 6: Final answer
    x = 185,190.10

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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.