Home / 213,901.18-321,167.18-119,316.16

Finding the Fourth Proportional to 213,901.18, 321,167.18 and 119,316.16

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Solution

The fourth proportional to 213,901.18, 321,167.18 and 119,316.16 is: 179,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,901.18 : 321,167.18 = 119,316.16 : x
  2. Step 2: Convert to fraction form
    213,901.18/321,167.18 = 119,316.16/x
  3. Step 3: Cross multiply
    213,901.18x = 321,167.18 × 119,316.16
  4. Step 4: Simplify right side
    213,901.18x = 38,320,434,635.63
  5. Step 5: Solve for x
    x = 38,320,434,635.63/213,901.18
  6. Step 6: Final answer
    x = 179,150.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.