Home / 248,949.32-343,491-141,510.92

Finding the Fourth Proportional to 248,949.32, 343,491 and 141,510.92

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Solution

The fourth proportional to 248,949.32, 343,491 and 141,510.92 is: 195,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,949.32 : 343,491 = 141,510.92 : x
  2. Step 2: Convert to fraction form
    248,949.32/343,491 = 141,510.92/x
  3. Step 3: Cross multiply
    248,949.32x = 343,491 × 141,510.92
  4. Step 4: Simplify right side
    248,949.32x = 48,607,727,421.72
  5. Step 5: Solve for x
    x = 48,607,727,421.72/248,949.32
  6. Step 6: Final answer
    x = 195,251.50

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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.