Home / 189,827.80-284,352.90-96,386.20

Finding the Fourth Proportional to 189,827.80, 284,352.90 and 96,386.20

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Solution

The fourth proportional to 189,827.80, 284,352.90 and 96,386.20 is: 144,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.80 : 284,352.90 = 96,386.20 : x
  2. Step 2: Convert to fraction form
    189,827.80/284,352.90 = 96,386.20/x
  3. Step 3: Cross multiply
    189,827.80x = 284,352.90 × 96,386.20
  4. Step 4: Simplify right side
    189,827.80x = 27,407,695,489.98
  5. Step 5: Solve for x
    x = 27,407,695,489.98/189,827.80
  6. Step 6: Final answer
    x = 144,381.88

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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.