Home / 118,184.24-163,120.55-75,155.01

Finding the Fourth Proportional to 118,184.24, 163,120.55 and 75,155.01

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Solution

The fourth proportional to 118,184.24, 163,120.55 and 75,155.01 is: 103,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,184.24 : 163,120.55 = 75,155.01 : x
  2. Step 2: Convert to fraction form
    118,184.24/163,120.55 = 75,155.01/x
  3. Step 3: Cross multiply
    118,184.24x = 163,120.55 × 75,155.01
  4. Step 4: Simplify right side
    118,184.24x = 12,259,326,190.68
  5. Step 5: Solve for x
    x = 12,259,326,190.68/118,184.24
  6. Step 6: Final answer
    x = 103,730.64

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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.