Home / 262,845.12-362,726.40-143,613.12

Finding the Fourth Proportional to 262,845.12, 362,726.40 and 143,613.12

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Solution

The fourth proportional to 262,845.12, 362,726.40 and 143,613.12 is: 198,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,845.12 : 362,726.40 = 143,613.12 : x
  2. Step 2: Convert to fraction form
    262,845.12/362,726.40 = 143,613.12/x
  3. Step 3: Cross multiply
    262,845.12x = 362,726.40 × 143,613.12
  4. Step 4: Simplify right side
    262,845.12x = 52,092,270,010.37
  5. Step 5: Solve for x
    x = 52,092,270,010.37/262,845.12
  6. Step 6: Final answer
    x = 198,186.18

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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.