Home / 192,659.04-265,869.09-107,776.10

Finding the Fourth Proportional to 192,659.04, 265,869.09 and 107,776.10

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Solution

The fourth proportional to 192,659.04, 265,869.09 and 107,776.10 is: 148,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,659.04 : 265,869.09 = 107,776.10 : x
  2. Step 2: Convert to fraction form
    192,659.04/265,869.09 = 107,776.10/x
  3. Step 3: Cross multiply
    192,659.04x = 265,869.09 × 107,776.10
  4. Step 4: Simplify right side
    192,659.04x = 28,654,334,295.42
  5. Step 5: Solve for x
    x = 28,654,334,295.42/192,659.04
  6. Step 6: Final answer
    x = 148,730.81

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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.