Home / 253,109.42-379,690.05-95,470.46

Finding the Fourth Proportional to 253,109.42, 379,690.05 and 95,470.46

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Solution

The fourth proportional to 253,109.42, 379,690.05 and 95,470.46 is: 143,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,109.42 : 379,690.05 = 95,470.46 : x
  2. Step 2: Convert to fraction form
    253,109.42/379,690.05 = 95,470.46/x
  3. Step 3: Cross multiply
    253,109.42x = 379,690.05 × 95,470.46
  4. Step 4: Simplify right side
    253,109.42x = 36,249,183,730.92
  5. Step 5: Solve for x
    x = 36,249,183,730.92/253,109.42
  6. Step 6: Final answer
    x = 143,215.47

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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.