Home / 319,946.16-479,869.92-106,717.80

Finding the Fourth Proportional to 319,946.16, 479,869.92 and 106,717.80

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Solution

The fourth proportional to 319,946.16, 479,869.92 and 106,717.80 is: 160,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,946.16 : 479,869.92 = 106,717.80 : x
  2. Step 2: Convert to fraction form
    319,946.16/479,869.92 = 106,717.80/x
  3. Step 3: Cross multiply
    319,946.16x = 479,869.92 × 106,717.80
  4. Step 4: Simplify right side
    319,946.16x = 51,210,662,148.58
  5. Step 5: Solve for x
    x = 51,210,662,148.58/319,946.16
  6. Step 6: Final answer
    x = 160,060.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.