Home / 375,933.48-518,645.86-239,972.52

Finding the Fourth Proportional to 375,933.48, 518,645.86 and 239,972.52

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Solution

The fourth proportional to 375,933.48, 518,645.86 and 239,972.52 is: 331,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,933.48 : 518,645.86 = 239,972.52 : x
  2. Step 2: Convert to fraction form
    375,933.48/518,645.86 = 239,972.52/x
  3. Step 3: Cross multiply
    375,933.48x = 518,645.86 × 239,972.52
  4. Step 4: Simplify right side
    375,933.48x = 124,460,754,011.77
  5. Step 5: Solve for x
    x = 124,460,754,011.77/375,933.48
  6. Step 6: Final answer
    x = 331,071.22

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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.