Home / 389,283.54-583,896.15-108,822.66

Finding the Fourth Proportional to 389,283.54, 583,896.15 and 108,822.66

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Solution

The fourth proportional to 389,283.54, 583,896.15 and 108,822.66 is: 163,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,283.54 : 583,896.15 = 108,822.66 : x
  2. Step 2: Convert to fraction form
    389,283.54/583,896.15 = 108,822.66/x
  3. Step 3: Cross multiply
    389,283.54x = 583,896.15 × 108,822.66
  4. Step 4: Simplify right side
    389,283.54x = 63,541,132,206.76
  5. Step 5: Solve for x
    x = 63,541,132,206.76/389,283.54
  6. Step 6: Final answer
    x = 163,225.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.