Home / 167,683.76-231,322.28-99,652.58

Finding the Fourth Proportional to 167,683.76, 231,322.28 and 99,652.58

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Solution

The fourth proportional to 167,683.76, 231,322.28 and 99,652.58 is: 137,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,683.76 : 231,322.28 = 99,652.58 : x
  2. Step 2: Convert to fraction form
    167,683.76/231,322.28 = 99,652.58/x
  3. Step 3: Cross multiply
    167,683.76x = 231,322.28 × 99,652.58
  4. Step 4: Simplify right side
    167,683.76x = 23,051,860,358.61
  5. Step 5: Solve for x
    x = 23,051,860,358.61/167,683.76
  6. Step 6: Final answer
    x = 137,472.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.