Home / 120,972.04-166,928.74-67,248.40

Finding the Fourth Proportional to 120,972.04, 166,928.74 and 67,248.40

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Solution

The fourth proportional to 120,972.04, 166,928.74 and 67,248.40 is: 92,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,972.04 : 166,928.74 = 67,248.40 : x
  2. Step 2: Convert to fraction form
    120,972.04/166,928.74 = 67,248.40/x
  3. Step 3: Cross multiply
    120,972.04x = 166,928.74 × 67,248.40
  4. Step 4: Simplify right side
    120,972.04x = 11,225,690,679.02
  5. Step 5: Solve for x
    x = 11,225,690,679.02/120,972.04
  6. Step 6: Final answer
    x = 92,795.75

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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.