Home / 191,629.80-264,436.38-115,152.03

Finding the Fourth Proportional to 191,629.80, 264,436.38 and 115,152.03

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Solution

The fourth proportional to 191,629.80, 264,436.38 and 115,152.03 is: 158,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,629.80 : 264,436.38 = 115,152.03 : x
  2. Step 2: Convert to fraction form
    191,629.80/264,436.38 = 115,152.03/x
  3. Step 3: Cross multiply
    191,629.80x = 264,436.38 × 115,152.03
  4. Step 4: Simplify right side
    191,629.80x = 30,450,385,962.85
  5. Step 5: Solve for x
    x = 30,450,385,962.85/191,629.80
  6. Step 6: Final answer
    x = 158,902.14

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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.