Home / 156,782.27-216,365.04-88,801.20

Finding the Fourth Proportional to 156,782.27, 216,365.04 and 88,801.20

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Solution

The fourth proportional to 156,782.27, 216,365.04 and 88,801.20 is: 122,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.27 : 216,365.04 = 88,801.20 : x
  2. Step 2: Convert to fraction form
    156,782.27/216,365.04 = 88,801.20/x
  3. Step 3: Cross multiply
    156,782.27x = 216,365.04 × 88,801.20
  4. Step 4: Simplify right side
    156,782.27x = 19,213,475,190.05
  5. Step 5: Solve for x
    x = 19,213,475,190.05/156,782.27
  6. Step 6: Final answer
    x = 122,548.78

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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.