Home / 351,820.25-485,510.03-190,673.59

Finding the Fourth Proportional to 351,820.25, 485,510.03 and 190,673.59

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Solution

The fourth proportional to 351,820.25, 485,510.03 and 190,673.59 is: 263,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,820.25 : 485,510.03 = 190,673.59 : x
  2. Step 2: Convert to fraction form
    351,820.25/485,510.03 = 190,673.59/x
  3. Step 3: Cross multiply
    351,820.25x = 485,510.03 × 190,673.59
  4. Step 4: Simplify right side
    351,820.25x = 92,573,938,948.99
  5. Step 5: Solve for x
    x = 92,573,938,948.99/351,820.25
  6. Step 6: Final answer
    x = 263,128.51

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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.