Home / 188,541.04-282,777.54-76,216.72

Finding the Fourth Proportional to 188,541.04, 282,777.54 and 76,216.72

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Solution

The fourth proportional to 188,541.04, 282,777.54 and 76,216.72 is: 114,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.04 : 282,777.54 = 76,216.72 : x
  2. Step 2: Convert to fraction form
    188,541.04/282,777.54 = 76,216.72/x
  3. Step 3: Cross multiply
    188,541.04x = 282,777.54 × 76,216.72
  4. Step 4: Simplify right side
    188,541.04x = 21,552,376,588.47
  5. Step 5: Solve for x
    x = 21,552,376,588.47/188,541.04
  6. Step 6: Final answer
    x = 114,311.33

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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.