Home / 185,918.48-278,875.52-67,588.84

Finding the Fourth Proportional to 185,918.48, 278,875.52 and 67,588.84

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Solution

The fourth proportional to 185,918.48, 278,875.52 and 67,588.84 is: 101,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,918.48 : 278,875.52 = 67,588.84 : x
  2. Step 2: Convert to fraction form
    185,918.48/278,875.52 = 67,588.84/x
  3. Step 3: Cross multiply
    185,918.48x = 278,875.52 × 67,588.84
  4. Step 4: Simplify right side
    185,918.48x = 18,848,872,901.20
  5. Step 5: Solve for x
    x = 18,848,872,901.20/185,918.48
  6. Step 6: Final answer
    x = 101,382.46

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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.