Home / 203,743.02-305,545.30-70,592.20

Finding the Fourth Proportional to 203,743.02, 305,545.30 and 70,592.20

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Solution

The fourth proportional to 203,743.02, 305,545.30 and 70,592.20 is: 105,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,743.02 : 305,545.30 = 70,592.20 : x
  2. Step 2: Convert to fraction form
    203,743.02/305,545.30 = 70,592.20/x
  3. Step 3: Cross multiply
    203,743.02x = 305,545.30 × 70,592.20
  4. Step 4: Simplify right side
    203,743.02x = 21,569,114,926.66
  5. Step 5: Solve for x
    x = 21,569,114,926.66/203,743.02
  6. Step 6: Final answer
    x = 105,864.31

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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.