Home / 120,803.18-166,716.10-67,088.18

Finding the Fourth Proportional to 120,803.18, 166,716.10 and 67,088.18

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Solution

The fourth proportional to 120,803.18, 166,716.10 and 67,088.18 is: 92,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,803.18 : 166,716.10 = 67,088.18 : x
  2. Step 2: Convert to fraction form
    120,803.18/166,716.10 = 67,088.18/x
  3. Step 3: Cross multiply
    120,803.18x = 166,716.10 × 67,088.18
  4. Step 4: Simplify right side
    120,803.18x = 11,184,679,725.70
  5. Step 5: Solve for x
    x = 11,184,679,725.70/120,803.18
  6. Step 6: Final answer
    x = 92,585.97

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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.