Home / 190,029.06-285,063.62-77,691.42

Finding the Fourth Proportional to 190,029.06, 285,063.62 and 77,691.42

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Solution

The fourth proportional to 190,029.06, 285,063.62 and 77,691.42 is: 116,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,029.06 : 285,063.62 = 77,691.42 : x
  2. Step 2: Convert to fraction form
    190,029.06/285,063.62 = 77,691.42/x
  3. Step 3: Cross multiply
    190,029.06x = 285,063.62 × 77,691.42
  4. Step 4: Simplify right side
    190,029.06x = 22,146,997,039.68
  5. Step 5: Solve for x
    x = 22,146,997,039.68/190,029.06
  6. Step 6: Final answer
    x = 116,545.32

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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.