Home / 105,422.24-158,133.36-48,490.40

Finding the Fourth Proportional to 105,422.24, 158,133.36 and 48,490.40

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Solution

The fourth proportional to 105,422.24, 158,133.36 and 48,490.40 is: 72,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,422.24 : 158,133.36 = 48,490.40 : x
  2. Step 2: Convert to fraction form
    105,422.24/158,133.36 = 48,490.40/x
  3. Step 3: Cross multiply
    105,422.24x = 158,133.36 × 48,490.40
  4. Step 4: Simplify right side
    105,422.24x = 7,667,949,879.74
  5. Step 5: Solve for x
    x = 7,667,949,879.74/105,422.24
  6. Step 6: Final answer
    x = 72,735.60

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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.