Home / 199,718.54-275,613.45-113,673.31

Finding the Fourth Proportional to 199,718.54, 275,613.45 and 113,673.31

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Solution

The fourth proportional to 199,718.54, 275,613.45 and 113,673.31 is: 156,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,718.54 : 275,613.45 = 113,673.31 : x
  2. Step 2: Convert to fraction form
    199,718.54/275,613.45 = 113,673.31/x
  3. Step 3: Cross multiply
    199,718.54x = 275,613.45 × 113,673.31
  4. Step 4: Simplify right side
    199,718.54x = 31,329,891,763.95
  5. Step 5: Solve for x
    x = 31,329,891,763.95/199,718.54
  6. Step 6: Final answer
    x = 156,870.22

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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.