Home / 105,846.90-158,836.23-65,944.28

Finding the Fourth Proportional to 105,846.90, 158,836.23 and 65,944.28

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Solution

The fourth proportional to 105,846.90, 158,836.23 and 65,944.28 is: 98,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,846.90 : 158,836.23 = 65,944.28 : x
  2. Step 2: Convert to fraction form
    105,846.90/158,836.23 = 65,944.28/x
  3. Step 3: Cross multiply
    105,846.90x = 158,836.23 × 65,944.28
  4. Step 4: Simplify right side
    105,846.90x = 10,474,340,031.08
  5. Step 5: Solve for x
    x = 10,474,340,031.08/105,846.90
  6. Step 6: Final answer
    x = 98,957.46

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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.