Home / 167,724.36-251,482.32-79,000.20

Finding the Fourth Proportional to 167,724.36, 251,482.32 and 79,000.20

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Solution

The fourth proportional to 167,724.36, 251,482.32 and 79,000.20 is: 118,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,724.36 : 251,482.32 = 79,000.20 : x
  2. Step 2: Convert to fraction form
    167,724.36/251,482.32 = 79,000.20/x
  3. Step 3: Cross multiply
    167,724.36x = 251,482.32 × 79,000.20
  4. Step 4: Simplify right side
    167,724.36x = 19,867,153,576.46
  5. Step 5: Solve for x
    x = 19,867,153,576.46/167,724.36
  6. Step 6: Final answer
    x = 118,451.21

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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.