Home / 213,712.43-294,897.45-123,097.86

Finding the Fourth Proportional to 213,712.43, 294,897.45 and 123,097.86

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Solution

The fourth proportional to 213,712.43, 294,897.45 and 123,097.86 is: 169,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,712.43 : 294,897.45 = 123,097.86 : x
  2. Step 2: Convert to fraction form
    213,712.43/294,897.45 = 123,097.86/x
  3. Step 3: Cross multiply
    213,712.43x = 294,897.45 × 123,097.86
  4. Step 4: Simplify right side
    213,712.43x = 36,301,245,014.46
  5. Step 5: Solve for x
    x = 36,301,245,014.46/213,712.43
  6. Step 6: Final answer
    x = 169,860.25

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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.