Home / 185,577.81-278,506.65-135,786.36

Finding the Fourth Proportional to 185,577.81, 278,506.65 and 135,786.36

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Solution

The fourth proportional to 185,577.81, 278,506.65 and 135,786.36 is: 203,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,577.81 : 278,506.65 = 135,786.36 : x
  2. Step 2: Convert to fraction form
    185,577.81/278,506.65 = 135,786.36/x
  3. Step 3: Cross multiply
    185,577.81x = 278,506.65 × 135,786.36
  4. Step 4: Simplify right side
    185,577.81x = 37,817,405,792.89
  5. Step 5: Solve for x
    x = 37,817,405,792.89/185,577.81
  6. Step 6: Final answer
    x = 203,781.94

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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.