Home / 283,976.18-391,873.95-163,032.35

Finding the Fourth Proportional to 283,976.18, 391,873.95 and 163,032.35

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Solution

The fourth proportional to 283,976.18, 391,873.95 and 163,032.35 is: 224,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,976.18 : 391,873.95 = 163,032.35 : x
  2. Step 2: Convert to fraction form
    283,976.18/391,873.95 = 163,032.35/x
  3. Step 3: Cross multiply
    283,976.18x = 391,873.95 × 163,032.35
  4. Step 4: Simplify right side
    283,976.18x = 63,888,129,012.91
  5. Step 5: Solve for x
    x = 63,888,129,012.91/283,976.18
  6. Step 6: Final answer
    x = 224,977.07

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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.