Home / 207,090.27-285,880.86-156,123.72

Finding the Fourth Proportional to 207,090.27, 285,880.86 and 156,123.72

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Solution

The fourth proportional to 207,090.27, 285,880.86 and 156,123.72 is: 215,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,090.27 : 285,880.86 = 156,123.72 : x
  2. Step 2: Convert to fraction form
    207,090.27/285,880.86 = 156,123.72/x
  3. Step 3: Cross multiply
    207,090.27x = 285,880.86 × 156,123.72
  4. Step 4: Simplify right side
    207,090.27x = 44,632,783,340.00
  5. Step 5: Solve for x
    x = 44,632,783,340.00/207,090.27
  6. Step 6: Final answer
    x = 215,523.32

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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.