Home / 518,155.45-777,261.02-163,197.25

Finding the Fourth Proportional to 518,155.45, 777,261.02 and 163,197.25

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Solution

The fourth proportional to 518,155.45, 777,261.02 and 163,197.25 is: 244,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,155.45 : 777,261.02 = 163,197.25 : x
  2. Step 2: Convert to fraction form
    518,155.45/777,261.02 = 163,197.25/x
  3. Step 3: Cross multiply
    518,155.45x = 777,261.02 × 163,197.25
  4. Step 4: Simplify right side
    518,155.45x = 126,846,858,237.06
  5. Step 5: Solve for x
    x = 126,846,858,237.06/518,155.45
  6. Step 6: Final answer
    x = 244,804.64

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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.