Home / 199,740.32-275,521.46-131,733.12

Finding the Fourth Proportional to 199,740.32, 275,521.46 and 131,733.12

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Solution

The fourth proportional to 199,740.32, 275,521.46 and 131,733.12 is: 181,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740.32 : 275,521.46 = 131,733.12 : x
  2. Step 2: Convert to fraction form
    199,740.32/275,521.46 = 131,733.12/x
  3. Step 3: Cross multiply
    199,740.32x = 275,521.46 × 131,733.12
  4. Step 4: Simplify right side
    199,740.32x = 36,295,301,552.76
  5. Step 5: Solve for x
    x = 36,295,301,552.76/199,740.32
  6. Step 6: Final answer
    x = 181,712.44

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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.