Home / 146,682.12-202,386.24-89,320.80

Finding the Fourth Proportional to 146,682.12, 202,386.24 and 89,320.80

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Solution

The fourth proportional to 146,682.12, 202,386.24 and 89,320.80 is: 123,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,682.12 : 202,386.24 = 89,320.80 : x
  2. Step 2: Convert to fraction form
    146,682.12/202,386.24 = 89,320.80/x
  3. Step 3: Cross multiply
    146,682.12x = 202,386.24 × 89,320.80
  4. Step 4: Simplify right side
    146,682.12x = 18,077,300,865.79
  5. Step 5: Solve for x
    x = 18,077,300,865.79/146,682.12
  6. Step 6: Final answer
    x = 123,241.34

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1.5x scale

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.