Home / 112,029.20-168,043.80-101,661.20

Finding the Fourth Proportional to 112,029.20, 168,043.80 and 101,661.20

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Solution

The fourth proportional to 112,029.20, 168,043.80 and 101,661.20 is: 152,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.20 : 168,043.80 = 101,661.20 : x
  2. Step 2: Convert to fraction form
    112,029.20/168,043.80 = 101,661.20/x
  3. Step 3: Cross multiply
    112,029.20x = 168,043.80 × 101,661.20
  4. Step 4: Simplify right side
    112,029.20x = 17,083,534,360.56
  5. Step 5: Solve for x
    x = 17,083,534,360.56/112,029.20
  6. Step 6: Final answer
    x = 152,491.80

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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.