Home / 203,690.16-305,092.98-124,564.50

Finding the Fourth Proportional to 203,690.16, 305,092.98 and 124,564.50

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Solution

The fourth proportional to 203,690.16, 305,092.98 and 124,564.50 is: 186,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,690.16 : 305,092.98 = 124,564.50 : x
  2. Step 2: Convert to fraction form
    203,690.16/305,092.98 = 124,564.50/x
  3. Step 3: Cross multiply
    203,690.16x = 305,092.98 × 124,564.50
  4. Step 4: Simplify right side
    203,690.16x = 38,003,754,507.21
  5. Step 5: Solve for x
    x = 38,003,754,507.21/203,690.16
  6. Step 6: Final answer
    x = 186,576.29

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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.