Home / 193,246.10-289,869.15-146,590.10

Finding the Fourth Proportional to 193,246.10, 289,869.15 and 146,590.10

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Solution

The fourth proportional to 193,246.10, 289,869.15 and 146,590.10 is: 219,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,246.10 : 289,869.15 = 146,590.10 : x
  2. Step 2: Convert to fraction form
    193,246.10/289,869.15 = 146,590.10/x
  3. Step 3: Cross multiply
    193,246.10x = 289,869.15 × 146,590.10
  4. Step 4: Simplify right side
    193,246.10x = 42,491,947,685.42
  5. Step 5: Solve for x
    x = 42,491,947,685.42/193,246.10
  6. Step 6: Final answer
    x = 219,885.15

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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.