Home / 315,873.23-473,834.68-105,511.91

Finding the Fourth Proportional to 315,873.23, 473,834.68 and 105,511.91

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Solution

The fourth proportional to 315,873.23, 473,834.68 and 105,511.91 is: 158,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,873.23 : 473,834.68 = 105,511.91 : x
  2. Step 2: Convert to fraction form
    315,873.23/473,834.68 = 105,511.91/x
  3. Step 3: Cross multiply
    315,873.23x = 473,834.68 × 105,511.91
  4. Step 4: Simplify right side
    315,873.23x = 49,995,199,478.09
  5. Step 5: Solve for x
    x = 49,995,199,478.09/315,873.23
  6. Step 6: Final answer
    x = 158,276.15

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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.