Home / 173,112.18-259,699.86-79,615.50

Finding the Fourth Proportional to 173,112.18, 259,699.86 and 79,615.50

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Solution

The fourth proportional to 173,112.18, 259,699.86 and 79,615.50 is: 119,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,112.18 : 259,699.86 = 79,615.50 : x
  2. Step 2: Convert to fraction form
    173,112.18/259,699.86 = 79,615.50/x
  3. Step 3: Cross multiply
    173,112.18x = 259,699.86 × 79,615.50
  4. Step 4: Simplify right side
    173,112.18x = 20,676,134,203.83
  5. Step 5: Solve for x
    x = 20,676,134,203.83/173,112.18
  6. Step 6: Final answer
    x = 119,437.78

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1.5x scale

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.