Home / 111,167.66-166,729.28-40,088.31

Finding the Fourth Proportional to 111,167.66, 166,729.28 and 40,088.31

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Solution

The fourth proportional to 111,167.66, 166,729.28 and 40,088.31 is: 60,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,167.66 : 166,729.28 = 40,088.31 : x
  2. Step 2: Convert to fraction form
    111,167.66/166,729.28 = 40,088.31/x
  3. Step 3: Cross multiply
    111,167.66x = 166,729.28 × 40,088.31
  4. Step 4: Simplify right side
    111,167.66x = 6,683,894,862.28
  5. Step 5: Solve for x
    x = 6,683,894,862.28/111,167.66
  6. Step 6: Final answer
    x = 60,124.46

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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.