Home / 214,639.88-296,230.37-129,756.94

Finding the Fourth Proportional to 214,639.88, 296,230.37 and 129,756.94

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Solution

The fourth proportional to 214,639.88, 296,230.37 and 129,756.94 is: 179,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,639.88 : 296,230.37 = 129,756.94 : x
  2. Step 2: Convert to fraction form
    214,639.88/296,230.37 = 129,756.94/x
  3. Step 3: Cross multiply
    214,639.88x = 296,230.37 × 129,756.94
  4. Step 4: Simplify right side
    214,639.88x = 38,437,944,956.91
  5. Step 5: Solve for x
    x = 38,437,944,956.91/214,639.88
  6. Step 6: Final answer
    x = 179,081.10

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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.