Home / 167,152.51-250,728.75-78,406.02

Finding the Fourth Proportional to 167,152.51, 250,728.75 and 78,406.02

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Solution

The fourth proportional to 167,152.51, 250,728.75 and 78,406.02 is: 117,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,152.51 : 250,728.75 = 78,406.02 : x
  2. Step 2: Convert to fraction form
    167,152.51/250,728.75 = 78,406.02/x
  3. Step 3: Cross multiply
    167,152.51x = 250,728.75 × 78,406.02
  4. Step 4: Simplify right side
    167,152.51x = 19,658,642,622.94
  5. Step 5: Solve for x
    x = 19,658,642,622.94/167,152.51
  6. Step 6: Final answer
    x = 117,609.02

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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.