Home / 120,803.08-166,705.96-67,088.76

Finding the Fourth Proportional to 120,803.08, 166,705.96 and 67,088.76

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Solution

The fourth proportional to 120,803.08, 166,705.96 and 67,088.76 is: 92,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,803.08 : 166,705.96 = 67,088.76 : x
  2. Step 2: Convert to fraction form
    120,803.08/166,705.96 = 67,088.76/x
  3. Step 3: Cross multiply
    120,803.08x = 166,705.96 × 67,088.76
  4. Step 4: Simplify right side
    120,803.08x = 11,184,096,141.01
  5. Step 5: Solve for x
    x = 11,184,096,141.01/120,803.08
  6. Step 6: Final answer
    x = 92,581.22

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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.