Home / 319,284.68-440,579.16-176,036.24

Finding the Fourth Proportional to 319,284.68, 440,579.16 and 176,036.24

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Solution

The fourth proportional to 319,284.68, 440,579.16 and 176,036.24 is: 242,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,284.68 : 440,579.16 = 176,036.24 : x
  2. Step 2: Convert to fraction form
    319,284.68/440,579.16 = 176,036.24/x
  3. Step 3: Cross multiply
    319,284.68x = 440,579.16 × 176,036.24
  4. Step 4: Simplify right side
    319,284.68x = 77,557,898,748.76
  5. Step 5: Solve for x
    x = 77,557,898,748.76/319,284.68
  6. Step 6: Final answer
    x = 242,911.43

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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.