Home / 112,075.80-167,966.10-82,354.20

Finding the Fourth Proportional to 112,075.80, 167,966.10 and 82,354.20

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Solution

The fourth proportional to 112,075.80, 167,966.10 and 82,354.20 is: 123,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075.80 : 167,966.10 = 82,354.20 : x
  2. Step 2: Convert to fraction form
    112,075.80/167,966.10 = 82,354.20/x
  3. Step 3: Cross multiply
    112,075.80x = 167,966.10 × 82,354.20
  4. Step 4: Simplify right side
    112,075.80x = 13,832,713,792.62
  5. Step 5: Solve for x
    x = 13,832,713,792.62/112,075.80
  6. Step 6: Final answer
    x = 123,422.84

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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.