Home / 122,859.12-184,288.56-38,618.88

Finding the Fourth Proportional to 122,859.12, 184,288.56 and 38,618.88

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Solution

The fourth proportional to 122,859.12, 184,288.56 and 38,618.88 is: 57,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,859.12 : 184,288.56 = 38,618.88 : x
  2. Step 2: Convert to fraction form
    122,859.12/184,288.56 = 38,618.88/x
  3. Step 3: Cross multiply
    122,859.12x = 184,288.56 × 38,618.88
  4. Step 4: Simplify right side
    122,859.12x = 7,117,017,784.01
  5. Step 5: Solve for x
    x = 7,117,017,784.01/122,859.12
  6. Step 6: Final answer
    x = 57,928.28

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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.