Home / 315,717.27-473,579.96-105,355.23

Finding the Fourth Proportional to 315,717.27, 473,579.96 and 105,355.23

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Solution

The fourth proportional to 315,717.27, 473,579.96 and 105,355.23 is: 158,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,717.27 : 473,579.96 = 105,355.23 : x
  2. Step 2: Convert to fraction form
    315,717.27/473,579.96 = 105,355.23/x
  3. Step 3: Cross multiply
    315,717.27x = 473,579.96 × 105,355.23
  4. Step 4: Simplify right side
    315,717.27x = 49,894,125,082.41
  5. Step 5: Solve for x
    x = 49,894,125,082.41/315,717.27
  6. Step 6: Final answer
    x = 158,034.20

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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.