Home / 124,108.44-171,214.74-76,333.56

Finding the Fourth Proportional to 124,108.44, 171,214.74 and 76,333.56

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Solution

The fourth proportional to 124,108.44, 171,214.74 and 76,333.56 is: 105,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,108.44 : 171,214.74 = 76,333.56 : x
  2. Step 2: Convert to fraction form
    124,108.44/171,214.74 = 76,333.56/x
  3. Step 3: Cross multiply
    124,108.44x = 171,214.74 × 76,333.56
  4. Step 4: Simplify right side
    124,108.44x = 13,069,430,628.67
  5. Step 5: Solve for x
    x = 13,069,430,628.67/124,108.44
  6. Step 6: Final answer
    x = 105,306.54

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1.5x scale

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.