Home / 120,809.04-166,718.58-67,099.02

Finding the Fourth Proportional to 120,809.04, 166,718.58 and 67,099.02

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Solution

The fourth proportional to 120,809.04, 166,718.58 and 67,099.02 is: 92,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,809.04 : 166,718.58 = 67,099.02 : x
  2. Step 2: Convert to fraction form
    120,809.04/166,718.58 = 67,099.02/x
  3. Step 3: Cross multiply
    120,809.04x = 166,718.58 × 67,099.02
  4. Step 4: Simplify right side
    120,809.04x = 11,186,653,333.79
  5. Step 5: Solve for x
    x = 11,186,653,333.79/120,809.04
  6. Step 6: Final answer
    x = 92,597.82

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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.