Home / 111,168.02-166,709.50-54,988.86

Finding the Fourth Proportional to 111,168.02, 166,709.50 and 54,988.86

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Solution

The fourth proportional to 111,168.02, 166,709.50 and 54,988.86 is: 82,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,168.02 : 166,709.50 = 54,988.86 : x
  2. Step 2: Convert to fraction form
    111,168.02/166,709.50 = 54,988.86/x
  3. Step 3: Cross multiply
    111,168.02x = 166,709.50 × 54,988.86
  4. Step 4: Simplify right side
    111,168.02x = 9,167,165,356.17
  5. Step 5: Solve for x
    x = 9,167,165,356.17/111,168.02
  6. Step 6: Final answer
    x = 82,462.25

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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.