Home / 140,729.26-194,127.58-83,312.56

Finding the Fourth Proportional to 140,729.26, 194,127.58 and 83,312.56

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Solution

The fourth proportional to 140,729.26, 194,127.58 and 83,312.56 is: 114,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,729.26 : 194,127.58 = 83,312.56 : x
  2. Step 2: Convert to fraction form
    140,729.26/194,127.58 = 83,312.56/x
  3. Step 3: Cross multiply
    140,729.26x = 194,127.58 × 83,312.56
  4. Step 4: Simplify right side
    140,729.26x = 16,173,265,656.40
  5. Step 5: Solve for x
    x = 16,173,265,656.40/140,729.26
  6. Step 6: Final answer
    x = 114,924.68

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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.