Home / 167,332.87-251,002.56-66,128.23

Finding the Fourth Proportional to 167,332.87, 251,002.56 and 66,128.23

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Solution

The fourth proportional to 167,332.87, 251,002.56 and 66,128.23 is: 99,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,332.87 : 251,002.56 = 66,128.23 : x
  2. Step 2: Convert to fraction form
    167,332.87/251,002.56 = 66,128.23/x
  3. Step 3: Cross multiply
    167,332.87x = 251,002.56 × 66,128.23
  4. Step 4: Simplify right side
    167,332.87x = 16,598,355,018.27
  5. Step 5: Solve for x
    x = 16,598,355,018.27/167,332.87
  6. Step 6: Final answer
    x = 99,193.63

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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.