Home / 190,046.20-285,002.10-65,358.20

Finding the Fourth Proportional to 190,046.20, 285,002.10 and 65,358.20

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Solution

The fourth proportional to 190,046.20, 285,002.10 and 65,358.20 is: 98,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.20 : 285,002.10 = 65,358.20 : x
  2. Step 2: Convert to fraction form
    190,046.20/285,002.10 = 65,358.20/x
  3. Step 3: Cross multiply
    190,046.20x = 285,002.10 × 65,358.20
  4. Step 4: Simplify right side
    190,046.20x = 18,627,224,252.22
  5. Step 5: Solve for x
    x = 18,627,224,252.22/190,046.20
  6. Step 6: Final answer
    x = 98,014.19

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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.