Home / 118,012.20-176,903.10-105,570.60

Finding the Fourth Proportional to 118,012.20, 176,903.10 and 105,570.60

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Solution

The fourth proportional to 118,012.20, 176,903.10 and 105,570.60 is: 158,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.20 : 176,903.10 = 105,570.60 : x
  2. Step 2: Convert to fraction form
    118,012.20/176,903.10 = 105,570.60/x
  3. Step 3: Cross multiply
    118,012.20x = 176,903.10 × 105,570.60
  4. Step 4: Simplify right side
    118,012.20x = 18,675,766,408.86
  5. Step 5: Solve for x
    x = 18,675,766,408.86/118,012.20
  6. Step 6: Final answer
    x = 158,252.85

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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.