Home / 147,569.04-203,644.80-80,501.04

Finding the Fourth Proportional to 147,569.04, 203,644.80 and 80,501.04

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Solution

The fourth proportional to 147,569.04, 203,644.80 and 80,501.04 is: 111,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.04 : 203,644.80 = 80,501.04 : x
  2. Step 2: Convert to fraction form
    147,569.04/203,644.80 = 80,501.04/x
  3. Step 3: Cross multiply
    147,569.04x = 203,644.80 × 80,501.04
  4. Step 4: Simplify right side
    147,569.04x = 16,393,618,190.59
  5. Step 5: Solve for x
    x = 16,393,618,190.59/147,569.04
  6. Step 6: Final answer
    x = 111,091.18

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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.