Home / 119,311.10-178,962.52-30,565.48

Finding the Fourth Proportional to 119,311.10, 178,962.52 and 30,565.48

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Solution

The fourth proportional to 119,311.10, 178,962.52 and 30,565.48 is: 45,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,311.10 : 178,962.52 = 30,565.48 : x
  2. Step 2: Convert to fraction form
    119,311.10/178,962.52 = 30,565.48/x
  3. Step 3: Cross multiply
    119,311.10x = 178,962.52 × 30,565.48
  4. Step 4: Simplify right side
    119,311.10x = 5,470,075,325.81
  5. Step 5: Solve for x
    x = 5,470,075,325.81/119,311.10
  6. Step 6: Final answer
    x = 45,847.16

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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.