Home / 351,632.10-485,250.36-190,490.30

Finding the Fourth Proportional to 351,632.10, 485,250.36 and 190,490.30

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Solution

The fourth proportional to 351,632.10, 485,250.36 and 190,490.30 is: 262,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,632.10 : 485,250.36 = 190,490.30 : x
  2. Step 2: Convert to fraction form
    351,632.10/485,250.36 = 190,490.30/x
  3. Step 3: Cross multiply
    351,632.10x = 485,250.36 × 190,490.30
  4. Step 4: Simplify right side
    351,632.10x = 92,435,486,402.11
  5. Step 5: Solve for x
    x = 92,435,486,402.11/351,632.10
  6. Step 6: Final answer
    x = 262,875.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.