Home / 173,840.22-239,864.72-105,811.56

Finding the Fourth Proportional to 173,840.22, 239,864.72 and 105,811.56

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Solution

The fourth proportional to 173,840.22, 239,864.72 and 105,811.56 is: 145,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.22 : 239,864.72 = 105,811.56 : x
  2. Step 2: Convert to fraction form
    173,840.22/239,864.72 = 105,811.56/x
  3. Step 3: Cross multiply
    173,840.22x = 239,864.72 × 105,811.56
  4. Step 4: Simplify right side
    173,840.22x = 25,380,459,683.11
  5. Step 5: Solve for x
    x = 25,380,459,683.11/173,840.22
  6. Step 6: Final answer
    x = 145,998.78

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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.