Home / 215,322.30-297,138.58-119,826.95

Finding the Fourth Proportional to 215,322.30, 297,138.58 and 119,826.95

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Solution

The fourth proportional to 215,322.30, 297,138.58 and 119,826.95 is: 165,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,322.30 : 297,138.58 = 119,826.95 : x
  2. Step 2: Convert to fraction form
    215,322.30/297,138.58 = 119,826.95/x
  3. Step 3: Cross multiply
    215,322.30x = 297,138.58 × 119,826.95
  4. Step 4: Simplify right side
    215,322.30x = 35,605,207,983.47
  5. Step 5: Solve for x
    x = 35,605,207,983.47/215,322.30
  6. Step 6: Final answer
    x = 165,357.74

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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.