Home / 137,720.25-206,667.77-58,835.07

Finding the Fourth Proportional to 137,720.25, 206,667.77 and 58,835.07

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Solution

The fourth proportional to 137,720.25, 206,667.77 and 58,835.07 is: 88,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,720.25 : 206,667.77 = 58,835.07 : x
  2. Step 2: Convert to fraction form
    137,720.25/206,667.77 = 58,835.07/x
  3. Step 3: Cross multiply
    137,720.25x = 206,667.77 × 58,835.07
  4. Step 4: Simplify right side
    137,720.25x = 12,159,312,420.52
  5. Step 5: Solve for x
    x = 12,159,312,420.52/137,720.25
  6. Step 6: Final answer
    x = 88,289.94

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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.