Home / 190,044.14-285,164.58-137,884.16

Finding the Fourth Proportional to 190,044.14, 285,164.58 and 137,884.16

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Solution

The fourth proportional to 190,044.14, 285,164.58 and 137,884.16 is: 206,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,044.14 : 285,164.58 = 137,884.16 : x
  2. Step 2: Convert to fraction form
    190,044.14/285,164.58 = 137,884.16/x
  3. Step 3: Cross multiply
    190,044.14x = 285,164.58 × 137,884.16
  4. Step 4: Simplify right side
    190,044.14x = 39,319,678,575.05
  5. Step 5: Solve for x
    x = 39,319,678,575.05/190,044.14
  6. Step 6: Final answer
    x = 206,897.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.