Home / 215,880.59-297,901.16-119,078.61

Finding the Fourth Proportional to 215,880.59, 297,901.16 and 119,078.61

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Solution

The fourth proportional to 215,880.59, 297,901.16 and 119,078.61 is: 164,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,880.59 : 297,901.16 = 119,078.61 : x
  2. Step 2: Convert to fraction form
    215,880.59/297,901.16 = 119,078.61/x
  3. Step 3: Cross multiply
    215,880.59x = 297,901.16 × 119,078.61
  4. Step 4: Simplify right side
    215,880.59x = 35,473,654,784.21
  5. Step 5: Solve for x
    x = 35,473,654,784.21/215,880.59
  6. Step 6: Final answer
    x = 164,320.72

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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.