Home / 225,900.06-311,486.57-144,119.00

Finding the Fourth Proportional to 225,900.06, 311,486.57 and 144,119.00

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Solution

The fourth proportional to 225,900.06, 311,486.57 and 144,119.00 is: 198,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,900.06 : 311,486.57 = 144,119.00 : x
  2. Step 2: Convert to fraction form
    225,900.06/311,486.57 = 144,119.00/x
  3. Step 3: Cross multiply
    225,900.06x = 311,486.57 × 144,119.00
  4. Step 4: Simplify right side
    225,900.06x = 44,891,130,703.80
  5. Step 5: Solve for x
    x = 44,891,130,703.80/225,900.06
  6. Step 6: Final answer
    x = 198,721.20

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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.