Home / 167,681.12-251,560.55-87,762.51

Finding the Fourth Proportional to 167,681.12, 251,560.55 and 87,762.51

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Solution

The fourth proportional to 167,681.12, 251,560.55 and 87,762.51 is: 131,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,681.12 : 251,560.55 = 87,762.51 : x
  2. Step 2: Convert to fraction form
    167,681.12/251,560.55 = 87,762.51/x
  3. Step 3: Cross multiply
    167,681.12x = 251,560.55 × 87,762.51
  4. Step 4: Simplify right side
    167,681.12x = 22,077,584,846.17
  5. Step 5: Solve for x
    x = 22,077,584,846.17/167,681.12
  6. Step 6: Final answer
    x = 131,664.11

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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.