Home / 156,908.27-216,526.43-88,921.26

Finding the Fourth Proportional to 156,908.27, 216,526.43 and 88,921.26

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Solution

The fourth proportional to 156,908.27, 216,526.43 and 88,921.26 is: 122,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.27 : 216,526.43 = 88,921.26 : x
  2. Step 2: Convert to fraction form
    156,908.27/216,526.43 = 88,921.26/x
  3. Step 3: Cross multiply
    156,908.27x = 216,526.43 × 88,921.26
  4. Step 4: Simplify right side
    156,908.27x = 19,253,803,201.20
  5. Step 5: Solve for x
    x = 19,253,803,201.20/156,908.27
  6. Step 6: Final answer
    x = 122,707.38

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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.