Home / 338,719.79-508,080.57-114,237.92

Finding the Fourth Proportional to 338,719.79, 508,080.57 and 114,237.92

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Solution

The fourth proportional to 338,719.79, 508,080.57 and 114,237.92 is: 171,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,719.79 : 508,080.57 = 114,237.92 : x
  2. Step 2: Convert to fraction form
    338,719.79/508,080.57 = 114,237.92/x
  3. Step 3: Cross multiply
    338,719.79x = 508,080.57 × 114,237.92
  4. Step 4: Simplify right side
    338,719.79x = 58,042,064,968.81
  5. Step 5: Solve for x
    x = 58,042,064,968.81/338,719.79
  6. Step 6: Final answer
    x = 171,357.17

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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.