Home / 282,524.05-389,886.41-153,463.71

Finding the Fourth Proportional to 282,524.05, 389,886.41 and 153,463.71

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Solution

The fourth proportional to 282,524.05, 389,886.41 and 153,463.71 is: 211,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,524.05 : 389,886.41 = 153,463.71 : x
  2. Step 2: Convert to fraction form
    282,524.05/389,886.41 = 153,463.71/x
  3. Step 3: Cross multiply
    282,524.05x = 389,886.41 × 153,463.71
  4. Step 4: Simplify right side
    282,524.05x = 59,833,416,802.91
  5. Step 5: Solve for x
    x = 59,833,416,802.91/282,524.05
  6. Step 6: Final answer
    x = 211,781.68

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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.