Home / 129,029.80-193,544.70-101,036.20

Finding the Fourth Proportional to 129,029.80, 193,544.70 and 101,036.20

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Solution

The fourth proportional to 129,029.80, 193,544.70 and 101,036.20 is: 151,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029.80 : 193,544.70 = 101,036.20 : x
  2. Step 2: Convert to fraction form
    129,029.80/193,544.70 = 101,036.20/x
  3. Step 3: Cross multiply
    129,029.80x = 193,544.70 × 101,036.20
  4. Step 4: Simplify right side
    129,029.80x = 19,555,021,018.14
  5. Step 5: Solve for x
    x = 19,555,021,018.14/129,029.80
  6. Step 6: Final answer
    x = 151,554.30

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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.