Home / 105,353.44-158,043.12-38,782.24

Finding the Fourth Proportional to 105,353.44, 158,043.12 and 38,782.24

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Solution

The fourth proportional to 105,353.44, 158,043.12 and 38,782.24 is: 58,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353.44 : 158,043.12 = 38,782.24 : x
  2. Step 2: Convert to fraction form
    105,353.44/158,043.12 = 38,782.24/x
  3. Step 3: Cross multiply
    105,353.44x = 158,043.12 × 38,782.24
  4. Step 4: Simplify right side
    105,353.44x = 6,129,266,210.19
  5. Step 5: Solve for x
    x = 6,129,266,210.19/105,353.44
  6. Step 6: Final answer
    x = 58,178.13

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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.