Home / 351,451.17-485,001.93-190,305.72

Finding the Fourth Proportional to 351,451.17, 485,001.93 and 190,305.72

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Solution

The fourth proportional to 351,451.17, 485,001.93 and 190,305.72 is: 262,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,451.17 : 485,001.93 = 190,305.72 : x
  2. Step 2: Convert to fraction form
    351,451.17/485,001.93 = 190,305.72/x
  3. Step 3: Cross multiply
    351,451.17x = 485,001.93 × 190,305.72
  4. Step 4: Simplify right side
    351,451.17x = 92,298,641,490.04
  5. Step 5: Solve for x
    x = 92,298,641,490.04/351,451.17
  6. Step 6: Final answer
    x = 262,621.52

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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.