Home / 319,296.60-440,632.38-176,061.72

Finding the Fourth Proportional to 319,296.60, 440,632.38 and 176,061.72

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Solution

The fourth proportional to 319,296.60, 440,632.38 and 176,061.72 is: 242,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,296.60 : 440,632.38 = 176,061.72 : x
  2. Step 2: Convert to fraction form
    319,296.60/440,632.38 = 176,061.72/x
  3. Step 3: Cross multiply
    319,296.60x = 440,632.38 × 176,061.72
  4. Step 4: Simplify right side
    319,296.60x = 77,578,494,710.49
  5. Step 5: Solve for x
    x = 77,578,494,710.49/319,296.60
  6. Step 6: Final answer
    x = 242,966.87

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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.