Home / 167,420.12-251,166.54-55,111.74

Finding the Fourth Proportional to 167,420.12, 251,166.54 and 55,111.74

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Solution

The fourth proportional to 167,420.12, 251,166.54 and 55,111.74 is: 82,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,420.12 : 251,166.54 = 55,111.74 : x
  2. Step 2: Convert to fraction form
    167,420.12/251,166.54 = 55,111.74/x
  3. Step 3: Cross multiply
    167,420.12x = 251,166.54 × 55,111.74
  4. Step 4: Simplify right side
    167,420.12x = 13,842,225,049.18
  5. Step 5: Solve for x
    x = 13,842,225,049.18/167,420.12
  6. Step 6: Final answer
    x = 82,679.58

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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.