Home / 105,447.50-158,173.10-38,853.36

Finding the Fourth Proportional to 105,447.50, 158,173.10 and 38,853.36

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Solution

The fourth proportional to 105,447.50, 158,173.10 and 38,853.36 is: 58,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447.50 : 158,173.10 = 38,853.36 : x
  2. Step 2: Convert to fraction form
    105,447.50/158,173.10 = 38,853.36/x
  3. Step 3: Cross multiply
    105,447.50x = 158,173.10 × 38,853.36
  4. Step 4: Simplify right side
    105,447.50x = 6,145,556,396.62
  5. Step 5: Solve for x
    x = 6,145,556,396.62/105,447.50
  6. Step 6: Final answer
    x = 58,280.72

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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.