Home / 113,566.70-155,586.93-109,310.22

Finding the Fourth Proportional to 113,566.70, 155,586.93 and 109,310.22

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Solution

The fourth proportional to 113,566.70, 155,586.93 and 109,310.22 is: 149,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,566.70 : 155,586.93 = 109,310.22 : x
  2. Step 2: Convert to fraction form
    113,566.70/155,586.93 = 109,310.22/x
  3. Step 3: Cross multiply
    113,566.70x = 155,586.93 × 109,310.22
  4. Step 4: Simplify right side
    113,566.70x = 17,007,241,373.89
  5. Step 5: Solve for x
    x = 17,007,241,373.89/113,566.70
  6. Step 6: Final answer
    x = 149,755.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.