Home / 189,869.76-284,698.04-63,443.39

Finding the Fourth Proportional to 189,869.76, 284,698.04 and 63,443.39

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Solution

The fourth proportional to 189,869.76, 284,698.04 and 63,443.39 is: 95,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,869.76 : 284,698.04 = 63,443.39 : x
  2. Step 2: Convert to fraction form
    189,869.76/284,698.04 = 63,443.39/x
  3. Step 3: Cross multiply
    189,869.76x = 284,698.04 × 63,443.39
  4. Step 4: Simplify right side
    189,869.76x = 18,062,207,043.25
  5. Step 5: Solve for x
    x = 18,062,207,043.25/189,869.76
  6. Step 6: Final answer
    x = 95,129.46

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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.