Home / 199,639.12-275,498.35-113,596.23

Finding the Fourth Proportional to 199,639.12, 275,498.35 and 113,596.23

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Solution

The fourth proportional to 199,639.12, 275,498.35 and 113,596.23 is: 156,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,639.12 : 275,498.35 = 113,596.23 : x
  2. Step 2: Convert to fraction form
    199,639.12/275,498.35 = 113,596.23/x
  3. Step 3: Cross multiply
    199,639.12x = 275,498.35 × 113,596.23
  4. Step 4: Simplify right side
    199,639.12x = 31,295,573,931.22
  5. Step 5: Solve for x
    x = 31,295,573,931.22/199,639.12
  6. Step 6: Final answer
    x = 156,760.73

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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.