Home / 148,543.74-204,995.61-106,203.42

Finding the Fourth Proportional to 148,543.74, 204,995.61 and 106,203.42

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Solution

The fourth proportional to 148,543.74, 204,995.61 and 106,203.42 is: 146,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,543.74 : 204,995.61 = 106,203.42 : x
  2. Step 2: Convert to fraction form
    148,543.74/204,995.61 = 106,203.42/x
  3. Step 3: Cross multiply
    148,543.74x = 204,995.61 × 106,203.42
  4. Step 4: Simplify right side
    148,543.74x = 21,771,234,866.99
  5. Step 5: Solve for x
    x = 21,771,234,866.99/148,543.74
  6. Step 6: Final answer
    x = 146,564.47

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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.