Home / 126,818.92-190,207.14-42,569.65

Finding the Fourth Proportional to 126,818.92, 190,207.14 and 42,569.65

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Solution

The fourth proportional to 126,818.92, 190,207.14 and 42,569.65 is: 63,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,818.92 : 190,207.14 = 42,569.65 : x
  2. Step 2: Convert to fraction form
    126,818.92/190,207.14 = 42,569.65/x
  3. Step 3: Cross multiply
    126,818.92x = 190,207.14 × 42,569.65
  4. Step 4: Simplify right side
    126,818.92x = 8,097,051,377.30
  5. Step 5: Solve for x
    x = 8,097,051,377.30/126,818.92
  6. Step 6: Final answer
    x = 63,847.35

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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.