Home / 105,853.40-158,549.70-64,227.80

Finding the Fourth Proportional to 105,853.40, 158,549.70 and 64,227.80

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Solution

The fourth proportional to 105,853.40, 158,549.70 and 64,227.80 is: 96,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,853.40 : 158,549.70 = 64,227.80 : x
  2. Step 2: Convert to fraction form
    105,853.40/158,549.70 = 64,227.80/x
  3. Step 3: Cross multiply
    105,853.40x = 158,549.70 × 64,227.80
  4. Step 4: Simplify right side
    105,853.40x = 10,183,298,421.66
  5. Step 5: Solve for x
    x = 10,183,298,421.66/105,853.40
  6. Step 6: Final answer
    x = 96,201.90

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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.