Home / 144,802.24-216,907.74-74,533.96

Finding the Fourth Proportional to 144,802.24, 216,907.74 and 74,533.96

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Solution

The fourth proportional to 144,802.24, 216,907.74 and 74,533.96 is: 111,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,802.24 : 216,907.74 = 74,533.96 : x
  2. Step 2: Convert to fraction form
    144,802.24/216,907.74 = 74,533.96/x
  3. Step 3: Cross multiply
    144,802.24x = 216,907.74 × 74,533.96
  4. Step 4: Simplify right side
    144,802.24x = 16,166,992,816.85
  5. Step 5: Solve for x
    x = 16,166,992,816.85/144,802.24
  6. Step 6: Final answer
    x = 111,648.78

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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.