Home / 207,440.20-310,469.10-190,851.40

Finding the Fourth Proportional to 207,440.20, 310,469.10 and 190,851.40

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Solution

The fourth proportional to 207,440.20, 310,469.10 and 190,851.40 is: 285,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,440.20 : 310,469.10 = 190,851.40 : x
  2. Step 2: Convert to fraction form
    207,440.20/310,469.10 = 190,851.40/x
  3. Step 3: Cross multiply
    207,440.20x = 310,469.10 × 190,851.40
  4. Step 4: Simplify right side
    207,440.20x = 59,253,462,391.74
  5. Step 5: Solve for x
    x = 59,253,462,391.74/207,440.20
  6. Step 6: Final answer
    x = 285,641.17

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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.