Home / 105,523.22-158,236.98-45,523.40

Finding the Fourth Proportional to 105,523.22, 158,236.98 and 45,523.40

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Solution

The fourth proportional to 105,523.22, 158,236.98 and 45,523.40 is: 68,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,523.22 : 158,236.98 = 45,523.40 : x
  2. Step 2: Convert to fraction form
    105,523.22/158,236.98 = 45,523.40/x
  3. Step 3: Cross multiply
    105,523.22x = 158,236.98 × 45,523.40
  4. Step 4: Simplify right side
    105,523.22x = 7,203,484,544.15
  5. Step 5: Solve for x
    x = 7,203,484,544.15/105,523.22
  6. Step 6: Final answer
    x = 68,264.45

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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.