Home / 156,933.29-216,364.67-101,644.24

Finding the Fourth Proportional to 156,933.29, 216,364.67 and 101,644.24

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Solution

The fourth proportional to 156,933.29, 216,364.67 and 101,644.24 is: 140,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.29 : 216,364.67 = 101,644.24 : x
  2. Step 2: Convert to fraction form
    156,933.29/216,364.67 = 101,644.24/x
  3. Step 3: Cross multiply
    156,933.29x = 216,364.67 × 101,644.24
  4. Step 4: Simplify right side
    156,933.29x = 21,992,222,207.24
  5. Step 5: Solve for x
    x = 21,992,222,207.24/156,933.29
  6. Step 6: Final answer
    x = 140,137.39

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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.