Home / 191,412.66-287,160.50-58,289.43

Finding the Fourth Proportional to 191,412.66, 287,160.50 and 58,289.43

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Solution

The fourth proportional to 191,412.66, 287,160.50 and 58,289.43 is: 87,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,412.66 : 287,160.50 = 58,289.43 : x
  2. Step 2: Convert to fraction form
    191,412.66/287,160.50 = 58,289.43/x
  3. Step 3: Cross multiply
    191,412.66x = 287,160.50 × 58,289.43
  4. Step 4: Simplify right side
    191,412.66x = 16,738,421,863.52
  5. Step 5: Solve for x
    x = 16,738,421,863.52/191,412.66
  6. Step 6: Final answer
    x = 87,446.79

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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.