Home / 156,669.05-216,180.47-89,588.09

Finding the Fourth Proportional to 156,669.05, 216,180.47 and 89,588.09

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Solution

The fourth proportional to 156,669.05, 216,180.47 and 89,588.09 is: 123,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.05 : 216,180.47 = 89,588.09 : x
  2. Step 2: Convert to fraction form
    156,669.05/216,180.47 = 89,588.09/x
  3. Step 3: Cross multiply
    156,669.05x = 216,180.47 × 89,588.09
  4. Step 4: Simplify right side
    156,669.05x = 19,367,193,873.76
  5. Step 5: Solve for x
    x = 19,367,193,873.76/156,669.05
  6. Step 6: Final answer
    x = 123,618.51

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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.