Home / 361,916.16-542,688.75-191,229.54

Finding the Fourth Proportional to 361,916.16, 542,688.75 and 191,229.54

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Solution

The fourth proportional to 361,916.16, 542,688.75 and 191,229.54 is: 286,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,916.16 : 542,688.75 = 191,229.54 : x
  2. Step 2: Convert to fraction form
    361,916.16/542,688.75 = 191,229.54/x
  3. Step 3: Cross multiply
    361,916.16x = 542,688.75 × 191,229.54
  4. Step 4: Simplify right side
    361,916.16x = 103,778,120,025.68
  5. Step 5: Solve for x
    x = 103,778,120,025.68/361,916.16
  6. Step 6: Final answer
    x = 286,746.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.