Home / 225,022.05-310,384.13-144,321.75

Finding the Fourth Proportional to 225,022.05, 310,384.13 and 144,321.75

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Solution

The fourth proportional to 225,022.05, 310,384.13 and 144,321.75 is: 199,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,022.05 : 310,384.13 = 144,321.75 : x
  2. Step 2: Convert to fraction form
    225,022.05/310,384.13 = 144,321.75/x
  3. Step 3: Cross multiply
    225,022.05x = 310,384.13 × 144,321.75
  4. Step 4: Simplify right side
    225,022.05x = 44,795,180,092.22
  5. Step 5: Solve for x
    x = 44,795,180,092.22/225,022.05
  6. Step 6: Final answer
    x = 199,070.18

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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.