Home / 156,770.52-216,357.66-88,790.22

Finding the Fourth Proportional to 156,770.52, 216,357.66 and 88,790.22

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Solution

The fourth proportional to 156,770.52, 216,357.66 and 88,790.22 is: 122,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.52 : 216,357.66 = 88,790.22 : x
  2. Step 2: Convert to fraction form
    156,770.52/216,357.66 = 88,790.22/x
  3. Step 3: Cross multiply
    156,770.52x = 216,357.66 × 88,790.22
  4. Step 4: Simplify right side
    156,770.52x = 19,210,444,230.09
  5. Step 5: Solve for x
    x = 19,210,444,230.09/156,770.52
  6. Step 6: Final answer
    x = 122,538.63

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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.