Home / 140,015.04-193,235.56-85,599.08

Finding the Fourth Proportional to 140,015.04, 193,235.56 and 85,599.08

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Solution

The fourth proportional to 140,015.04, 193,235.56 and 85,599.08 is: 118,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,015.04 : 193,235.56 = 85,599.08 : x
  2. Step 2: Convert to fraction form
    140,015.04/193,235.56 = 85,599.08/x
  3. Step 3: Cross multiply
    140,015.04x = 193,235.56 × 85,599.08
  4. Step 4: Simplify right side
    140,015.04x = 16,540,786,159.28
  5. Step 5: Solve for x
    x = 16,540,786,159.28/140,015.04
  6. Step 6: Final answer
    x = 118,135.78

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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.