Home / 190,024.08-285,079.32-101,230.80

Finding the Fourth Proportional to 190,024.08, 285,079.32 and 101,230.80

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Solution

The fourth proportional to 190,024.08, 285,079.32 and 101,230.80 is: 151,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,024.08 : 285,079.32 = 101,230.80 : x
  2. Step 2: Convert to fraction form
    190,024.08/285,079.32 = 101,230.80/x
  3. Step 3: Cross multiply
    190,024.08x = 285,079.32 × 101,230.80
  4. Step 4: Simplify right side
    190,024.08x = 28,858,807,627.06
  5. Step 5: Solve for x
    x = 28,858,807,627.06/190,024.08
  6. Step 6: Final answer
    x = 151,869.21

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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.