Home / 179,822.08-269,600-86,238.72

Finding the Fourth Proportional to 179,822.08, 269,600 and 86,238.72

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Solution

The fourth proportional to 179,822.08, 269,600 and 86,238.72 is: 129,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,822.08 : 269,600 = 86,238.72 : x
  2. Step 2: Convert to fraction form
    179,822.08/269,600 = 86,238.72/x
  3. Step 3: Cross multiply
    179,822.08x = 269,600 × 86,238.72
  4. Step 4: Simplify right side
    179,822.08x = 23,249,958,912
  5. Step 5: Solve for x
    x = 23,249,958,912/179,822.08
  6. Step 6: Final answer
    x = 129,294.24

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1.5x scale

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.