Home / 133,022.20-199,590.90-62,865.40

Finding the Fourth Proportional to 133,022.20, 199,590.90 and 62,865.40

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Solution

The fourth proportional to 133,022.20, 199,590.90 and 62,865.40 is: 94,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022.20 : 199,590.90 = 62,865.40 : x
  2. Step 2: Convert to fraction form
    133,022.20/199,590.90 = 62,865.40/x
  3. Step 3: Cross multiply
    133,022.20x = 199,590.90 × 62,865.40
  4. Step 4: Simplify right side
    133,022.20x = 12,547,361,764.86
  5. Step 5: Solve for x
    x = 12,547,361,764.86/133,022.20
  6. Step 6: Final answer
    x = 94,325.32

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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.