Home / 185,646.29-278,094.89-85,667.58

Finding the Fourth Proportional to 185,646.29, 278,094.89 and 85,667.58

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Solution

The fourth proportional to 185,646.29, 278,094.89 and 85,667.58 is: 128,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,646.29 : 278,094.89 = 85,667.58 : x
  2. Step 2: Convert to fraction form
    185,646.29/278,094.89 = 85,667.58/x
  3. Step 3: Cross multiply
    185,646.29x = 278,094.89 × 85,667.58
  4. Step 4: Simplify right side
    185,646.29x = 23,823,715,808.33
  5. Step 5: Solve for x
    x = 23,823,715,808.33/185,646.29
  6. Step 6: Final answer
    x = 128,328.54

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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.