Home / 248,423.28-372,547.44-79,936.80

Finding the Fourth Proportional to 248,423.28, 372,547.44 and 79,936.80

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Solution

The fourth proportional to 248,423.28, 372,547.44 and 79,936.80 is: 119,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,423.28 : 372,547.44 = 79,936.80 : x
  2. Step 2: Convert to fraction form
    248,423.28/372,547.44 = 79,936.80/x
  3. Step 3: Cross multiply
    248,423.28x = 372,547.44 × 79,936.80
  4. Step 4: Simplify right side
    248,423.28x = 29,780,250,201.79
  5. Step 5: Solve for x
    x = 29,780,250,201.79/248,423.28
  6. Step 6: Final answer
    x = 119,877.05

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1.5x scale

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.