Home / 137,110.86-205,687.89-58,225.50

Finding the Fourth Proportional to 137,110.86, 205,687.89 and 58,225.50

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Solution

The fourth proportional to 137,110.86, 205,687.89 and 58,225.50 is: 87,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,110.86 : 205,687.89 = 58,225.50 : x
  2. Step 2: Convert to fraction form
    137,110.86/205,687.89 = 58,225.50/x
  3. Step 3: Cross multiply
    137,110.86x = 205,687.89 × 58,225.50
  4. Step 4: Simplify right side
    137,110.86x = 11,976,280,239.20
  5. Step 5: Solve for x
    x = 11,976,280,239.20/137,110.86
  6. Step 6: Final answer
    x = 87,347.42

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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.