Home / 134,616.06-185,771.43-74,188.88

Finding the Fourth Proportional to 134,616.06, 185,771.43 and 74,188.88

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Solution

The fourth proportional to 134,616.06, 185,771.43 and 74,188.88 is: 102,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,616.06 : 185,771.43 = 74,188.88 : x
  2. Step 2: Convert to fraction form
    134,616.06/185,771.43 = 74,188.88/x
  3. Step 3: Cross multiply
    134,616.06x = 185,771.43 × 74,188.88
  4. Step 4: Simplify right side
    134,616.06x = 13,782,173,027.90
  5. Step 5: Solve for x
    x = 13,782,173,027.90/134,616.06
  6. Step 6: Final answer
    x = 102,381.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.