Home / 233,214.12-321,969.33-156,844.08

Finding the Fourth Proportional to 233,214.12, 321,969.33 and 156,844.08

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Solution

The fourth proportional to 233,214.12, 321,969.33 and 156,844.08 is: 216,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,214.12 : 321,969.33 = 156,844.08 : x
  2. Step 2: Convert to fraction form
    233,214.12/321,969.33 = 156,844.08/x
  3. Step 3: Cross multiply
    233,214.12x = 321,969.33 × 156,844.08
  4. Step 4: Simplify right side
    233,214.12x = 50,498,983,352.07
  5. Step 5: Solve for x
    x = 50,498,983,352.07/233,214.12
  6. Step 6: Final answer
    x = 216,534.85

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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.