Home / 269,631.68-372,098.88-148,774.40

Finding the Fourth Proportional to 269,631.68, 372,098.88 and 148,774.40

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Solution

The fourth proportional to 269,631.68, 372,098.88 and 148,774.40 is: 205,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,631.68 : 372,098.88 = 148,774.40 : x
  2. Step 2: Convert to fraction form
    269,631.68/372,098.88 = 148,774.40/x
  3. Step 3: Cross multiply
    269,631.68x = 372,098.88 × 148,774.40
  4. Step 4: Simplify right side
    269,631.68x = 55,358,787,612.67
  5. Step 5: Solve for x
    x = 55,358,787,612.67/269,631.68
  6. Step 6: Final answer
    x = 205,312.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.