Home / 214,763.69-296,380.67-128,694.30

Finding the Fourth Proportional to 214,763.69, 296,380.67 and 128,694.30

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Solution

The fourth proportional to 214,763.69, 296,380.67 and 128,694.30 is: 177,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,763.69 : 296,380.67 = 128,694.30 : x
  2. Step 2: Convert to fraction form
    214,763.69/296,380.67 = 128,694.30/x
  3. Step 3: Cross multiply
    214,763.69x = 296,380.67 × 128,694.30
  4. Step 4: Simplify right side
    214,763.69x = 38,142,502,215.71
  5. Step 5: Solve for x
    x = 38,142,502,215.71/214,763.69
  6. Step 6: Final answer
    x = 177,602.20

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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.