Home / 163,458.38-225,566.30-91,841.42

Finding the Fourth Proportional to 163,458.38, 225,566.30 and 91,841.42

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Solution

The fourth proportional to 163,458.38, 225,566.30 and 91,841.42 is: 126,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,458.38 : 225,566.30 = 91,841.42 : x
  2. Step 2: Convert to fraction form
    163,458.38/225,566.30 = 91,841.42/x
  3. Step 3: Cross multiply
    163,458.38x = 225,566.30 × 91,841.42
  4. Step 4: Simplify right side
    163,458.38x = 20,716,329,296.15
  5. Step 5: Solve for x
    x = 20,716,329,296.15/163,458.38
  6. Step 6: Final answer
    x = 126,737.64

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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.