Home / 352,001.26-485,761.29-190,856.05

Finding the Fourth Proportional to 352,001.26, 485,761.29 and 190,856.05

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Solution

The fourth proportional to 352,001.26, 485,761.29 and 190,856.05 is: 263,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.26 : 485,761.29 = 190,856.05 : x
  2. Step 2: Convert to fraction form
    352,001.26/485,761.29 = 190,856.05/x
  3. Step 3: Cross multiply
    352,001.26x = 485,761.29 × 190,856.05
  4. Step 4: Simplify right side
    352,001.26x = 92,710,479,122.19
  5. Step 5: Solve for x
    x = 92,710,479,122.19/352,001.26
  6. Step 6: Final answer
    x = 263,381.10

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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.