Home / 214,764.44-296,381.70-128,695.05

Finding the Fourth Proportional to 214,764.44, 296,381.70 and 128,695.05

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Solution

The fourth proportional to 214,764.44, 296,381.70 and 128,695.05 is: 177,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,764.44 : 296,381.70 = 128,695.05 : x
  2. Step 2: Convert to fraction form
    214,764.44/296,381.70 = 128,695.05/x
  3. Step 3: Cross multiply
    214,764.44x = 296,381.70 × 128,695.05
  4. Step 4: Simplify right side
    214,764.44x = 38,142,857,700.59
  5. Step 5: Solve for x
    x = 38,142,857,700.59/214,764.44
  6. Step 6: Final answer
    x = 177,603.23

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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.