Home / 176,135.76-243,033.48-100,668.24

Finding the Fourth Proportional to 176,135.76, 243,033.48 and 100,668.24

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Solution

The fourth proportional to 176,135.76, 243,033.48 and 100,668.24 is: 138,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,135.76 : 243,033.48 = 100,668.24 : x
  2. Step 2: Convert to fraction form
    176,135.76/243,033.48 = 100,668.24/x
  3. Step 3: Cross multiply
    176,135.76x = 243,033.48 × 100,668.24
  4. Step 4: Simplify right side
    176,135.76x = 24,465,752,692.68
  5. Step 5: Solve for x
    x = 24,465,752,692.68/176,135.76
  6. Step 6: Final answer
    x = 138,902.81

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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.