Home / 140,007.08-193,205.61-79,584.32

Finding the Fourth Proportional to 140,007.08, 193,205.61 and 79,584.32

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Solution

The fourth proportional to 140,007.08, 193,205.61 and 79,584.32 is: 109,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.08 : 193,205.61 = 79,584.32 : x
  2. Step 2: Convert to fraction form
    140,007.08/193,205.61 = 79,584.32/x
  3. Step 3: Cross multiply
    140,007.08x = 193,205.61 × 79,584.32
  4. Step 4: Simplify right side
    140,007.08x = 15,376,137,092.04
  5. Step 5: Solve for x
    x = 15,376,137,092.04/140,007.08
  6. Step 6: Final answer
    x = 109,824.00

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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.