Home / 153,918.11-230,890.32-54,069.62

Finding the Fourth Proportional to 153,918.11, 230,890.32 and 54,069.62

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Solution

The fourth proportional to 153,918.11, 230,890.32 and 54,069.62 is: 81,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,918.11 : 230,890.32 = 54,069.62 : x
  2. Step 2: Convert to fraction form
    153,918.11/230,890.32 = 54,069.62/x
  3. Step 3: Cross multiply
    153,918.11x = 230,890.32 × 54,069.62
  4. Step 4: Simplify right side
    153,918.11x = 12,484,150,709.63
  5. Step 5: Solve for x
    x = 12,484,150,709.63/153,918.11
  6. Step 6: Final answer
    x = 81,109.05

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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.