Home / 151,404.39-208,815.37-133,215.84

Finding the Fourth Proportional to 151,404.39, 208,815.37 and 133,215.84

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Solution

The fourth proportional to 151,404.39, 208,815.37 and 133,215.84 is: 183,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,404.39 : 208,815.37 = 133,215.84 : x
  2. Step 2: Convert to fraction form
    151,404.39/208,815.37 = 133,215.84/x
  3. Step 3: Cross multiply
    151,404.39x = 208,815.37 × 133,215.84
  4. Step 4: Simplify right side
    151,404.39x = 27,817,514,586.42
  5. Step 5: Solve for x
    x = 27,817,514,586.42/151,404.39
  6. Step 6: Final answer
    x = 183,729.91

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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.