Home / 114,701.64-158,302.26-72,259.44

Finding the Fourth Proportional to 114,701.64, 158,302.26 and 72,259.44

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Solution

The fourth proportional to 114,701.64, 158,302.26 and 72,259.44 is: 99,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,701.64 : 158,302.26 = 72,259.44 : x
  2. Step 2: Convert to fraction form
    114,701.64/158,302.26 = 72,259.44/x
  3. Step 3: Cross multiply
    114,701.64x = 158,302.26 × 72,259.44
  4. Step 4: Simplify right side
    114,701.64x = 11,438,832,658.33
  5. Step 5: Solve for x
    x = 11,438,832,658.33/114,701.64
  6. Step 6: Final answer
    x = 99,726.84

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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.