Home / 180,209.68-248,679.32-99,632.50

Finding the Fourth Proportional to 180,209.68, 248,679.32 and 99,632.50

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Solution

The fourth proportional to 180,209.68, 248,679.32 and 99,632.50 is: 137,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,209.68 : 248,679.32 = 99,632.50 : x
  2. Step 2: Convert to fraction form
    180,209.68/248,679.32 = 99,632.50/x
  3. Step 3: Cross multiply
    180,209.68x = 248,679.32 × 99,632.50
  4. Step 4: Simplify right side
    180,209.68x = 24,776,541,230.04
  5. Step 5: Solve for x
    x = 24,776,541,230.04/180,209.68
  6. Step 6: Final answer
    x = 137,487.30

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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.