Home / 169,309.10-233,613.66-100,385.84

Finding the Fourth Proportional to 169,309.10, 233,613.66 and 100,385.84

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Solution

The fourth proportional to 169,309.10, 233,613.66 and 100,385.84 is: 138,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,309.10 : 233,613.66 = 100,385.84 : x
  2. Step 2: Convert to fraction form
    169,309.10/233,613.66 = 100,385.84/x
  3. Step 3: Cross multiply
    169,309.10x = 233,613.66 × 100,385.84
  4. Step 4: Simplify right side
    169,309.10x = 23,451,501,950.06
  5. Step 5: Solve for x
    x = 23,451,501,950.06/169,309.10
  6. Step 6: Final answer
    x = 138,512.94

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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.