Home / 319,099.24-440,359.95-175,864.51

Finding the Fourth Proportional to 319,099.24, 440,359.95 and 175,864.51

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Solution

The fourth proportional to 319,099.24, 440,359.95 and 175,864.51 is: 242,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,099.24 : 440,359.95 = 175,864.51 : x
  2. Step 2: Convert to fraction form
    319,099.24/440,359.95 = 175,864.51/x
  3. Step 3: Cross multiply
    319,099.24x = 440,359.95 × 175,864.51
  4. Step 4: Simplify right side
    319,099.24x = 77,443,686,830.37
  5. Step 5: Solve for x
    x = 77,443,686,830.37/319,099.24
  6. Step 6: Final answer
    x = 242,694.68

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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.