Home / 119,311.17-178,962.62-30,565.55

Finding the Fourth Proportional to 119,311.17, 178,962.62 and 30,565.55

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Solution

The fourth proportional to 119,311.17, 178,962.62 and 30,565.55 is: 45,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,311.17 : 178,962.62 = 30,565.55 : x
  2. Step 2: Convert to fraction form
    119,311.17/178,962.62 = 30,565.55/x
  3. Step 3: Cross multiply
    119,311.17x = 178,962.62 × 30,565.55
  4. Step 4: Simplify right side
    119,311.17x = 5,470,089,862.10
  5. Step 5: Solve for x
    x = 5,470,089,862.10/119,311.17
  6. Step 6: Final answer
    x = 45,847.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.