Home / 112,097.80-167,919.90-69,848.20

Finding the Fourth Proportional to 112,097.80, 167,919.90 and 69,848.20

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Solution

The fourth proportional to 112,097.80, 167,919.90 and 69,848.20 is: 104,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,097.80 : 167,919.90 = 69,848.20 : x
  2. Step 2: Convert to fraction form
    112,097.80/167,919.90 = 69,848.20/x
  3. Step 3: Cross multiply
    112,097.80x = 167,919.90 × 69,848.20
  4. Step 4: Simplify right side
    112,097.80x = 11,728,902,759.18
  5. Step 5: Solve for x
    x = 11,728,902,759.18/112,097.80
  6. Step 6: Final answer
    x = 104,630.98

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1.5x scale

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.