Home / 151,843.04-209,544.96-83,861.70

Finding the Fourth Proportional to 151,843.04, 209,544.96 and 83,861.70

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Solution

The fourth proportional to 151,843.04, 209,544.96 and 83,861.70 is: 115,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,843.04 : 209,544.96 = 83,861.70 : x
  2. Step 2: Convert to fraction form
    151,843.04/209,544.96 = 83,861.70/x
  3. Step 3: Cross multiply
    151,843.04x = 209,544.96 × 83,861.70
  4. Step 4: Simplify right side
    151,843.04x = 17,572,796,572.03
  5. Step 5: Solve for x
    x = 17,572,796,572.03/151,843.04
  6. Step 6: Final answer
    x = 115,730.01

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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.