Home / 118,197.01-163,113.92-64,482.47

Finding the Fourth Proportional to 118,197.01, 163,113.92 and 64,482.47

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Solution

The fourth proportional to 118,197.01, 163,113.92 and 64,482.47 is: 88,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,197.01 : 163,113.92 = 64,482.47 : x
  2. Step 2: Convert to fraction form
    118,197.01/163,113.92 = 64,482.47/x
  3. Step 3: Cross multiply
    118,197.01x = 163,113.92 × 64,482.47
  4. Step 4: Simplify right side
    118,197.01x = 10,517,988,452.98
  5. Step 5: Solve for x
    x = 10,517,988,452.98/118,197.01
  6. Step 6: Final answer
    x = 88,986.92

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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.