Home / 172,135.08-237,770.64-132,338.16

Finding the Fourth Proportional to 172,135.08, 237,770.64 and 132,338.16

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Solution

The fourth proportional to 172,135.08, 237,770.64 and 132,338.16 is: 182,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,135.08 : 237,770.64 = 132,338.16 : x
  2. Step 2: Convert to fraction form
    172,135.08/237,770.64 = 132,338.16/x
  3. Step 3: Cross multiply
    172,135.08x = 237,770.64 × 132,338.16
  4. Step 4: Simplify right side
    172,135.08x = 31,466,128,999.62
  5. Step 5: Solve for x
    x = 31,466,128,999.62/172,135.08
  6. Step 6: Final answer
    x = 182,799.05

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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.