Home / 315,948.52-473,922.78-105,586.46

Finding the Fourth Proportional to 315,948.52, 473,922.78 and 105,586.46

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Solution

The fourth proportional to 315,948.52, 473,922.78 and 105,586.46 is: 158,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,948.52 : 473,922.78 = 105,586.46 : x
  2. Step 2: Convert to fraction form
    315,948.52/473,922.78 = 105,586.46/x
  3. Step 3: Cross multiply
    315,948.52x = 473,922.78 × 105,586.46
  4. Step 4: Simplify right side
    315,948.52x = 50,039,828,653.56
  5. Step 5: Solve for x
    x = 50,039,828,653.56/315,948.52
  6. Step 6: Final answer
    x = 158,379.69

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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.