Home / 167,868.60-231,557.40-103,348.80

Finding the Fourth Proportional to 167,868.60, 231,557.40 and 103,348.80

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Solution

The fourth proportional to 167,868.60, 231,557.40 and 103,348.80 is: 142,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,868.60 : 231,557.40 = 103,348.80 : x
  2. Step 2: Convert to fraction form
    167,868.60/231,557.40 = 103,348.80/x
  3. Step 3: Cross multiply
    167,868.60x = 231,557.40 × 103,348.80
  4. Step 4: Simplify right side
    167,868.60x = 23,931,179,421.12
  5. Step 5: Solve for x
    x = 23,931,179,421.12/167,868.60
  6. Step 6: Final answer
    x = 142,559.00

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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.