Home / 122,263.32-183,356.64-47,378.28

Finding the Fourth Proportional to 122,263.32, 183,356.64 and 47,378.28

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Solution

The fourth proportional to 122,263.32, 183,356.64 and 47,378.28 is: 71,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,263.32 : 183,356.64 = 47,378.28 : x
  2. Step 2: Convert to fraction form
    122,263.32/183,356.64 = 47,378.28/x
  3. Step 3: Cross multiply
    122,263.32x = 183,356.64 × 47,378.28
  4. Step 4: Simplify right side
    122,263.32x = 8,687,122,229.78
  5. Step 5: Solve for x
    x = 8,687,122,229.78/122,263.32
  6. Step 6: Final answer
    x = 71,052.56

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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.