Home / 319,285.14-440,633.16-176,044.74

Finding the Fourth Proportional to 319,285.14, 440,633.16 and 176,044.74

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Solution

The fourth proportional to 319,285.14, 440,633.16 and 176,044.74 is: 242,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,285.14 : 440,633.16 = 176,044.74 : x
  2. Step 2: Convert to fraction form
    319,285.14/440,633.16 = 176,044.74/x
  3. Step 3: Cross multiply
    319,285.14x = 440,633.16 × 176,044.74
  4. Step 4: Simplify right side
    319,285.14x = 77,571,150,087.58
  5. Step 5: Solve for x
    x = 77,571,150,087.58/319,285.14
  6. Step 6: Final answer
    x = 242,952.58

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1.5x scale

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.