Home / 189,624.96-284,466.24-71,304.48

Finding the Fourth Proportional to 189,624.96, 284,466.24 and 71,304.48

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Solution

The fourth proportional to 189,624.96, 284,466.24 and 71,304.48 is: 106,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,624.96 : 284,466.24 = 71,304.48 : x
  2. Step 2: Convert to fraction form
    189,624.96/284,466.24 = 71,304.48/x
  3. Step 3: Cross multiply
    189,624.96x = 284,466.24 × 71,304.48
  4. Step 4: Simplify right side
    189,624.96x = 20,283,717,320.76
  5. Step 5: Solve for x
    x = 20,283,717,320.76/189,624.96
  6. Step 6: Final answer
    x = 106,967.55

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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.