Home / 126,827.10-190,248.86-42,583.86

Finding the Fourth Proportional to 126,827.10, 190,248.86 and 42,583.86

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Solution

The fourth proportional to 126,827.10, 190,248.86 and 42,583.86 is: 63,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,827.10 : 190,248.86 = 42,583.86 : x
  2. Step 2: Convert to fraction form
    126,827.10/190,248.86 = 42,583.86/x
  3. Step 3: Cross multiply
    126,827.10x = 190,248.86 × 42,583.86
  4. Step 4: Simplify right side
    126,827.10x = 8,101,530,819.40
  5. Step 5: Solve for x
    x = 8,101,530,819.40/126,827.10
  6. Step 6: Final answer
    x = 63,878.55

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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.