Home / 140,919.21-194,476.48-83,592.47

Finding the Fourth Proportional to 140,919.21, 194,476.48 and 83,592.47

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Solution

The fourth proportional to 140,919.21, 194,476.48 and 83,592.47 is: 115,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.21 : 194,476.48 = 83,592.47 : x
  2. Step 2: Convert to fraction form
    140,919.21/194,476.48 = 83,592.47/x
  3. Step 3: Cross multiply
    140,919.21x = 194,476.48 × 83,592.47
  4. Step 4: Simplify right side
    140,919.21x = 16,256,769,597.32
  5. Step 5: Solve for x
    x = 16,256,769,597.32/140,919.21
  6. Step 6: Final answer
    x = 115,362.34

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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.