Home / 146,110.40-219,424.80-112,911.20

Finding the Fourth Proportional to 146,110.40, 219,424.80 and 112,911.20

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Solution

The fourth proportional to 146,110.40, 219,424.80 and 112,911.20 is: 169,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,110.40 : 219,424.80 = 112,911.20 : x
  2. Step 2: Convert to fraction form
    146,110.40/219,424.80 = 112,911.20/x
  3. Step 3: Cross multiply
    146,110.40x = 219,424.80 × 112,911.20
  4. Step 4: Simplify right side
    146,110.40x = 24,775,517,477.76
  5. Step 5: Solve for x
    x = 24,775,517,477.76/146,110.40
  6. Step 6: Final answer
    x = 169,567.10

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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.