Home / 225,943.23-311,804.82-123,966.81

Finding the Fourth Proportional to 225,943.23, 311,804.82 and 123,966.81

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Solution

The fourth proportional to 225,943.23, 311,804.82 and 123,966.81 is: 171,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,943.23 : 311,804.82 = 123,966.81 : x
  2. Step 2: Convert to fraction form
    225,943.23/311,804.82 = 123,966.81/x
  3. Step 3: Cross multiply
    225,943.23x = 311,804.82 × 123,966.81
  4. Step 4: Simplify right side
    225,943.23x = 38,653,448,878.02
  5. Step 5: Solve for x
    x = 38,653,448,878.02/225,943.23
  6. Step 6: Final answer
    x = 171,075.93

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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.