Home / 113,146.50-169,868.07-75,873.36

Finding the Fourth Proportional to 113,146.50, 169,868.07 and 75,873.36

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Solution

The fourth proportional to 113,146.50, 169,868.07 and 75,873.36 is: 113,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,146.50 : 169,868.07 = 75,873.36 : x
  2. Step 2: Convert to fraction form
    113,146.50/169,868.07 = 75,873.36/x
  3. Step 3: Cross multiply
    113,146.50x = 169,868.07 × 75,873.36
  4. Step 4: Simplify right side
    113,146.50x = 12,888,461,227.62
  5. Step 5: Solve for x
    x = 12,888,461,227.62/113,146.50
  6. Step 6: Final answer
    x = 113,909.50

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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.