Home / 163,083.20-244,624.80-78,883.70

Finding the Fourth Proportional to 163,083.20, 244,624.80 and 78,883.70

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Solution

The fourth proportional to 163,083.20, 244,624.80 and 78,883.70 is: 118,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,083.20 : 244,624.80 = 78,883.70 : x
  2. Step 2: Convert to fraction form
    163,083.20/244,624.80 = 78,883.70/x
  3. Step 3: Cross multiply
    163,083.20x = 244,624.80 × 78,883.70
  4. Step 4: Simplify right side
    163,083.20x = 19,296,909,335.76
  5. Step 5: Solve for x
    x = 19,296,909,335.76/163,083.20
  6. Step 6: Final answer
    x = 118,325.55

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1.5x scale

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.