Home / 105,881.20-158,562.60-50,412.40

Finding the Fourth Proportional to 105,881.20, 158,562.60 and 50,412.40

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Solution

The fourth proportional to 105,881.20, 158,562.60 and 50,412.40 is: 75,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,881.20 : 158,562.60 = 50,412.40 : x
  2. Step 2: Convert to fraction form
    105,881.20/158,562.60 = 50,412.40/x
  3. Step 3: Cross multiply
    105,881.20x = 158,562.60 × 50,412.40
  4. Step 4: Simplify right side
    105,881.20x = 7,993,521,216.24
  5. Step 5: Solve for x
    x = 7,993,521,216.24/105,881.20
  6. Step 6: Final answer
    x = 75,495.19

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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.