Home / 191,815.50-287,764.79-73,486.85

Finding the Fourth Proportional to 191,815.50, 287,764.79 and 73,486.85

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Solution

The fourth proportional to 191,815.50, 287,764.79 and 73,486.85 is: 110,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,815.50 : 287,764.79 = 73,486.85 : x
  2. Step 2: Convert to fraction form
    191,815.50/287,764.79 = 73,486.85/x
  3. Step 3: Cross multiply
    191,815.50x = 287,764.79 × 73,486.85
  4. Step 4: Simplify right side
    191,815.50x = 21,146,926,151.75
  5. Step 5: Solve for x
    x = 21,146,926,151.75/191,815.50
  6. Step 6: Final answer
    x = 110,246.18

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1.5x scale

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.