Home / 118,365.14-163,343.89-64,650.29

Finding the Fourth Proportional to 118,365.14, 163,343.89 and 64,650.29

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Solution

The fourth proportional to 118,365.14, 163,343.89 and 64,650.29 is: 89,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,365.14 : 163,343.89 = 64,650.29 : x
  2. Step 2: Convert to fraction form
    118,365.14/163,343.89 = 64,650.29/x
  3. Step 3: Cross multiply
    118,365.14x = 163,343.89 × 64,650.29
  4. Step 4: Simplify right side
    118,365.14x = 10,560,229,122.32
  5. Step 5: Solve for x
    x = 10,560,229,122.32/118,365.14
  6. Step 6: Final answer
    x = 89,217.39

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1.5x scale

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.