Home / 191,949.60-287,924.40-125,464.80

Finding the Fourth Proportional to 191,949.60, 287,924.40 and 125,464.80

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Solution

The fourth proportional to 191,949.60, 287,924.40 and 125,464.80 is: 188,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,949.60 : 287,924.40 = 125,464.80 : x
  2. Step 2: Convert to fraction form
    191,949.60/287,924.40 = 125,464.80/x
  3. Step 3: Cross multiply
    191,949.60x = 287,924.40 × 125,464.80
  4. Step 4: Simplify right side
    191,949.60x = 36,124,377,261.12
  5. Step 5: Solve for x
    x = 36,124,377,261.12/191,949.60
  6. Step 6: Final answer
    x = 188,197.20

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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.