Home / 281,944.33-389,088.17-154,618.81

Finding the Fourth Proportional to 281,944.33, 389,088.17 and 154,618.81

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Solution

The fourth proportional to 281,944.33, 389,088.17 and 154,618.81 is: 213,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,944.33 : 389,088.17 = 154,618.81 : x
  2. Step 2: Convert to fraction form
    281,944.33/389,088.17 = 154,618.81/x
  3. Step 3: Cross multiply
    281,944.33x = 389,088.17 × 154,618.81
  4. Step 4: Simplify right side
    281,944.33x = 60,160,349,057.38
  5. Step 5: Solve for x
    x = 60,160,349,057.38/281,944.33
  6. Step 6: Final answer
    x = 213,376.69

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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.