Home / 118,347.37-163,320.66-64,633.95

Finding the Fourth Proportional to 118,347.37, 163,320.66 and 64,633.95

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Solution

The fourth proportional to 118,347.37, 163,320.66 and 64,633.95 is: 89,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.37 : 163,320.66 = 64,633.95 : x
  2. Step 2: Convert to fraction form
    118,347.37/163,320.66 = 64,633.95/x
  3. Step 3: Cross multiply
    118,347.37x = 163,320.66 × 64,633.95
  4. Step 4: Simplify right side
    118,347.37x = 10,556,059,372.41
  5. Step 5: Solve for x
    x = 10,556,059,372.41/118,347.37
  6. Step 6: Final answer
    x = 89,195.56

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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.