Home / 120,803.55-166,716.61-67,088.58

Finding the Fourth Proportional to 120,803.55, 166,716.61 and 67,088.58

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Solution

The fourth proportional to 120,803.55, 166,716.61 and 67,088.58 is: 92,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,803.55 : 166,716.61 = 67,088.58 : x
  2. Step 2: Convert to fraction form
    120,803.55/166,716.61 = 67,088.58/x
  3. Step 3: Cross multiply
    120,803.55x = 166,716.61 × 67,088.58
  4. Step 4: Simplify right side
    120,803.55x = 11,184,780,627.31
  5. Step 5: Solve for x
    x = 11,184,780,627.31/120,803.55
  6. Step 6: Final answer
    x = 92,586.52

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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.