Home / 190,044.20-284,999.10-65,356.20

Finding the Fourth Proportional to 190,044.20, 284,999.10 and 65,356.20

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Solution

The fourth proportional to 190,044.20, 284,999.10 and 65,356.20 is: 98,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,044.20 : 284,999.10 = 65,356.20 : x
  2. Step 2: Convert to fraction form
    190,044.20/284,999.10 = 65,356.20/x
  3. Step 3: Cross multiply
    190,044.20x = 284,999.10 × 65,356.20
  4. Step 4: Simplify right side
    190,044.20x = 18,626,458,179.42
  5. Step 5: Solve for x
    x = 18,626,458,179.42/190,044.20
  6. Step 6: Final answer
    x = 98,011.19

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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.