Home / 305,435.10-458,042.84-105,701.24

Finding the Fourth Proportional to 305,435.10, 458,042.84 and 105,701.24

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Solution

The fourth proportional to 305,435.10, 458,042.84 and 105,701.24 is: 158,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,435.10 : 458,042.84 = 105,701.24 : x
  2. Step 2: Convert to fraction form
    305,435.10/458,042.84 = 105,701.24/x
  3. Step 3: Cross multiply
    305,435.10x = 458,042.84 × 105,701.24
  4. Step 4: Simplify right side
    305,435.10x = 48,415,696,161.12
  5. Step 5: Solve for x
    x = 48,415,696,161.12/305,435.10
  6. Step 6: Final answer
    x = 158,513.86

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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.