Home / 167,013.02-250,457.34-67,139.60

Finding the Fourth Proportional to 167,013.02, 250,457.34 and 67,139.60

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Solution

The fourth proportional to 167,013.02, 250,457.34 and 67,139.60 is: 100,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,013.02 : 250,457.34 = 67,139.60 : x
  2. Step 2: Convert to fraction form
    167,013.02/250,457.34 = 67,139.60/x
  3. Step 3: Cross multiply
    167,013.02x = 250,457.34 × 67,139.60
  4. Step 4: Simplify right side
    167,013.02x = 16,815,605,624.66
  5. Step 5: Solve for x
    x = 16,815,605,624.66/167,013.02
  6. Step 6: Final answer
    x = 100,684.40

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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.