Home / 120,733.16-181,099.60-45,853.17

Finding the Fourth Proportional to 120,733.16, 181,099.60 and 45,853.17

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Solution

The fourth proportional to 120,733.16, 181,099.60 and 45,853.17 is: 68,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,733.16 : 181,099.60 = 45,853.17 : x
  2. Step 2: Convert to fraction form
    120,733.16/181,099.60 = 45,853.17/x
  3. Step 3: Cross multiply
    120,733.16x = 181,099.60 × 45,853.17
  4. Step 4: Simplify right side
    120,733.16x = 8,303,990,631.10
  5. Step 5: Solve for x
    x = 8,303,990,631.10/120,733.16
  6. Step 6: Final answer
    x = 68,779.70

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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.