Home / 281,827.46-388,909.68-168,712.58

Finding the Fourth Proportional to 281,827.46, 388,909.68 and 168,712.58

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Solution

The fourth proportional to 281,827.46, 388,909.68 and 168,712.58 is: 232,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,827.46 : 388,909.68 = 168,712.58 : x
  2. Step 2: Convert to fraction form
    281,827.46/388,909.68 = 168,712.58/x
  3. Step 3: Cross multiply
    281,827.46x = 388,909.68 × 168,712.58
  4. Step 4: Simplify right side
    281,827.46x = 65,613,955,499.77
  5. Step 5: Solve for x
    x = 65,613,955,499.77/281,827.46
  6. Step 6: Final answer
    x = 232,816.05

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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.