Home / 220,869.60-331,304.40-73,125.60

Finding the Fourth Proportional to 220,869.60, 331,304.40 and 73,125.60

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Solution

The fourth proportional to 220,869.60, 331,304.40 and 73,125.60 is: 109,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,869.60 : 331,304.40 = 73,125.60 : x
  2. Step 2: Convert to fraction form
    220,869.60/331,304.40 = 73,125.60/x
  3. Step 3: Cross multiply
    220,869.60x = 331,304.40 × 73,125.60
  4. Step 4: Simplify right side
    220,869.60x = 24,226,833,032.64
  5. Step 5: Solve for x
    x = 24,226,833,032.64/220,869.60
  6. Step 6: Final answer
    x = 109,688.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.