Home / 140,811.90-211,217.73-56,572.08

Finding the Fourth Proportional to 140,811.90, 211,217.73 and 56,572.08

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Solution

The fourth proportional to 140,811.90, 211,217.73 and 56,572.08 is: 84,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.90 : 211,217.73 = 56,572.08 : x
  2. Step 2: Convert to fraction form
    140,811.90/211,217.73 = 56,572.08/x
  3. Step 3: Cross multiply
    140,811.90x = 211,217.73 × 56,572.08
  4. Step 4: Simplify right side
    140,811.90x = 11,949,026,318.98
  5. Step 5: Solve for x
    x = 11,949,026,318.98/140,811.90
  6. Step 6: Final answer
    x = 84,858.07

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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.