Home / 146,218.77-201,782.22-79,150.77

Finding the Fourth Proportional to 146,218.77, 201,782.22 and 79,150.77

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Solution

The fourth proportional to 146,218.77, 201,782.22 and 79,150.77 is: 109,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,218.77 : 201,782.22 = 79,150.77 : x
  2. Step 2: Convert to fraction form
    146,218.77/201,782.22 = 79,150.77/x
  3. Step 3: Cross multiply
    146,218.77x = 201,782.22 × 79,150.77
  4. Step 4: Simplify right side
    146,218.77x = 15,971,218,085.31
  5. Step 5: Solve for x
    x = 15,971,218,085.31/146,218.77
  6. Step 6: Final answer
    x = 109,228.23

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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.