Home / 118,363.16-163,338.51-64,648.37

Finding the Fourth Proportional to 118,363.16, 163,338.51 and 64,648.37

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Solution

The fourth proportional to 118,363.16, 163,338.51 and 64,648.37 is: 89,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,363.16 : 163,338.51 = 64,648.37 : x
  2. Step 2: Convert to fraction form
    118,363.16/163,338.51 = 64,648.37/x
  3. Step 3: Cross multiply
    118,363.16x = 163,338.51 × 64,648.37
  4. Step 4: Simplify right side
    118,363.16x = 10,559,567,855.47
  5. Step 5: Solve for x
    x = 10,559,567,855.47/118,363.16
  6. Step 6: Final answer
    x = 89,213.30

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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.