Home / 109,980.24-151,841.52-75,584.22

Finding the Fourth Proportional to 109,980.24, 151,841.52 and 75,584.22

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Solution

The fourth proportional to 109,980.24, 151,841.52 and 75,584.22 is: 104,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,980.24 : 151,841.52 = 75,584.22 : x
  2. Step 2: Convert to fraction form
    109,980.24/151,841.52 = 75,584.22/x
  3. Step 3: Cross multiply
    109,980.24x = 151,841.52 × 75,584.22
  4. Step 4: Simplify right side
    109,980.24x = 11,476,822,852.81
  5. Step 5: Solve for x
    x = 11,476,822,852.81/109,980.24
  6. Step 6: Final answer
    x = 104,353.50

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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.