Home / 217,933.60-326,835.60-84,737.20

Finding the Fourth Proportional to 217,933.60, 326,835.60 and 84,737.20

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Solution

The fourth proportional to 217,933.60, 326,835.60 and 84,737.20 is: 127,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,933.60 : 326,835.60 = 84,737.20 : x
  2. Step 2: Convert to fraction form
    217,933.60/326,835.60 = 84,737.20/x
  3. Step 3: Cross multiply
    217,933.60x = 326,835.60 × 84,737.20
  4. Step 4: Simplify right side
    217,933.60x = 27,695,133,604.32
  5. Step 5: Solve for x
    x = 27,695,133,604.32/217,933.60
  6. Step 6: Final answer
    x = 127,080.60

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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.