Home / 296,381.38-409,016.22-181,637.86

Finding the Fourth Proportional to 296,381.38, 409,016.22 and 181,637.86

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Solution

The fourth proportional to 296,381.38, 409,016.22 and 181,637.86 is: 250,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,381.38 : 409,016.22 = 181,637.86 : x
  2. Step 2: Convert to fraction form
    296,381.38/409,016.22 = 181,637.86/x
  3. Step 3: Cross multiply
    296,381.38x = 409,016.22 × 181,637.86
  4. Step 4: Simplify right side
    296,381.38x = 74,292,830,906.09
  5. Step 5: Solve for x
    x = 74,292,830,906.09/296,381.38
  6. Step 6: Final answer
    x = 250,666.32

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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.