Home / 132,923.60-199,385.40-115,643.60

Finding the Fourth Proportional to 132,923.60, 199,385.40 and 115,643.60

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Solution

The fourth proportional to 132,923.60, 199,385.40 and 115,643.60 is: 173,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.60 : 199,385.40 = 115,643.60 : x
  2. Step 2: Convert to fraction form
    132,923.60/199,385.40 = 115,643.60/x
  3. Step 3: Cross multiply
    132,923.60x = 199,385.40 × 115,643.60
  4. Step 4: Simplify right side
    132,923.60x = 23,057,645,443.44
  5. Step 5: Solve for x
    x = 23,057,645,443.44/132,923.60
  6. Step 6: Final answer
    x = 173,465.40

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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.