Home / 156,932.10-216,561.73-88,955.32

Finding the Fourth Proportional to 156,932.10, 216,561.73 and 88,955.32

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Solution

The fourth proportional to 156,932.10, 216,561.73 and 88,955.32 is: 122,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,932.10 : 216,561.73 = 88,955.32 : x
  2. Step 2: Convert to fraction form
    156,932.10/216,561.73 = 88,955.32/x
  3. Step 3: Cross multiply
    156,932.10x = 216,561.73 × 88,955.32
  4. Step 4: Simplify right side
    156,932.10x = 19,264,317,991.90
  5. Step 5: Solve for x
    x = 19,264,317,991.90/156,932.10
  6. Step 6: Final answer
    x = 122,755.75

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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.