Home / 188,885.18-260,661.84-104,002.50

Finding the Fourth Proportional to 188,885.18, 260,661.84 and 104,002.50

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Solution

The fourth proportional to 188,885.18, 260,661.84 and 104,002.50 is: 143,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,885.18 : 260,661.84 = 104,002.50 : x
  2. Step 2: Convert to fraction form
    188,885.18/260,661.84 = 104,002.50/x
  3. Step 3: Cross multiply
    188,885.18x = 260,661.84 × 104,002.50
  4. Step 4: Simplify right side
    188,885.18x = 27,109,483,014.60
  5. Step 5: Solve for x
    x = 27,109,483,014.60/188,885.18
  6. Step 6: Final answer
    x = 143,523.61

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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.