Home / 167,561.10-251,386.20-72,750.60

Finding the Fourth Proportional to 167,561.10, 251,386.20 and 72,750.60

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Solution

The fourth proportional to 167,561.10, 251,386.20 and 72,750.60 is: 109,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,561.10 : 251,386.20 = 72,750.60 : x
  2. Step 2: Convert to fraction form
    167,561.10/251,386.20 = 72,750.60/x
  3. Step 3: Cross multiply
    167,561.10x = 251,386.20 × 72,750.60
  4. Step 4: Simplify right side
    167,561.10x = 18,288,496,881.72
  5. Step 5: Solve for x
    x = 18,288,496,881.72/167,561.10
  6. Step 6: Final answer
    x = 109,145.24

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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.