Home / 351,460.05-485,017.17-190,315.11

Finding the Fourth Proportional to 351,460.05, 485,017.17 and 190,315.11

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Solution

The fourth proportional to 351,460.05, 485,017.17 and 190,315.11 is: 262,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,460.05 : 485,017.17 = 190,315.11 : x
  2. Step 2: Convert to fraction form
    351,460.05/485,017.17 = 190,315.11/x
  3. Step 3: Cross multiply
    351,460.05x = 485,017.17 × 190,315.11
  4. Step 4: Simplify right side
    351,460.05x = 92,306,096,060.44
  5. Step 5: Solve for x
    x = 92,306,096,060.44/351,460.05
  6. Step 6: Final answer
    x = 262,636.10

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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.