Home / 117,807.85-162,672.93-109,260.19

Finding the Fourth Proportional to 117,807.85, 162,672.93 and 109,260.19

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Solution

The fourth proportional to 117,807.85, 162,672.93 and 109,260.19 is: 150,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,807.85 : 162,672.93 = 109,260.19 : x
  2. Step 2: Convert to fraction form
    117,807.85/162,672.93 = 109,260.19/x
  3. Step 3: Cross multiply
    117,807.85x = 162,672.93 × 109,260.19
  4. Step 4: Simplify right side
    117,807.85x = 17,773,673,879.99
  5. Step 5: Solve for x
    x = 17,773,673,879.99/117,807.85
  6. Step 6: Final answer
    x = 150,870.04

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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.