Home / 235,333.26-353,150.01-85,559.18

Finding the Fourth Proportional to 235,333.26, 353,150.01 and 85,559.18

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Solution

The fourth proportional to 235,333.26, 353,150.01 and 85,559.18 is: 128,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,333.26 : 353,150.01 = 85,559.18 : x
  2. Step 2: Convert to fraction form
    235,333.26/353,150.01 = 85,559.18/x
  3. Step 3: Cross multiply
    235,333.26x = 353,150.01 × 85,559.18
  4. Step 4: Simplify right side
    235,333.26x = 30,215,223,506.84
  5. Step 5: Solve for x
    x = 30,215,223,506.84/235,333.26
  6. Step 6: Final answer
    x = 128,393.34

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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.