Home / 156,063.21-215,367.95-88,083.05

Finding the Fourth Proportional to 156,063.21, 215,367.95 and 88,083.05

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Solution

The fourth proportional to 156,063.21, 215,367.95 and 88,083.05 is: 121,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.21 : 215,367.95 = 88,083.05 : x
  2. Step 2: Convert to fraction form
    156,063.21/215,367.95 = 88,083.05/x
  3. Step 3: Cross multiply
    156,063.21x = 215,367.95 × 88,083.05
  4. Step 4: Simplify right side
    156,063.21x = 18,970,264,556.15
  5. Step 5: Solve for x
    x = 18,970,264,556.15/156,063.21
  6. Step 6: Final answer
    x = 121,555.01

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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.