Home / 149,296.96-206,044.32-111,505.60

Finding the Fourth Proportional to 149,296.96, 206,044.32 and 111,505.60

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Solution

The fourth proportional to 149,296.96, 206,044.32 and 111,505.60 is: 153,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,296.96 : 206,044.32 = 111,505.60 : x
  2. Step 2: Convert to fraction form
    149,296.96/206,044.32 = 111,505.60/x
  3. Step 3: Cross multiply
    149,296.96x = 206,044.32 × 111,505.60
  4. Step 4: Simplify right side
    149,296.96x = 22,975,095,528.19
  5. Step 5: Solve for x
    x = 22,975,095,528.19/149,296.96
  6. Step 6: Final answer
    x = 153,888.57

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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.