Home / 214,643.19-296,238.41-128,605.59

Finding the Fourth Proportional to 214,643.19, 296,238.41 and 128,605.59

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Solution

The fourth proportional to 214,643.19, 296,238.41 and 128,605.59 is: 177,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,643.19 : 296,238.41 = 128,605.59 : x
  2. Step 2: Convert to fraction form
    214,643.19/296,238.41 = 128,605.59/x
  3. Step 3: Cross multiply
    214,643.19x = 296,238.41 × 128,605.59
  4. Step 4: Simplify right side
    214,643.19x = 38,097,914,855.68
  5. Step 5: Solve for x
    x = 38,097,914,855.68/214,643.19
  6. Step 6: Final answer
    x = 177,494.17

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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.