Home / 169,205.10-253,597.05-109,075.02

Finding the Fourth Proportional to 169,205.10, 253,597.05 and 109,075.02

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Solution

The fourth proportional to 169,205.10, 253,597.05 and 109,075.02 is: 163,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205.10 : 253,597.05 = 109,075.02 : x
  2. Step 2: Convert to fraction form
    169,205.10/253,597.05 = 109,075.02/x
  3. Step 3: Cross multiply
    169,205.10x = 253,597.05 × 109,075.02
  4. Step 4: Simplify right side
    169,205.10x = 27,661,103,300.69
  5. Step 5: Solve for x
    x = 27,661,103,300.69/169,205.10
  6. Step 6: Final answer
    x = 163,476.77

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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.