Home / 108,215.95-149,352.84-62,274.64

Finding the Fourth Proportional to 108,215.95, 149,352.84 and 62,274.64

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Solution

The fourth proportional to 108,215.95, 149,352.84 and 62,274.64 is: 85,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,215.95 : 149,352.84 = 62,274.64 : x
  2. Step 2: Convert to fraction form
    108,215.95/149,352.84 = 62,274.64/x
  3. Step 3: Cross multiply
    108,215.95x = 149,352.84 × 62,274.64
  4. Step 4: Simplify right side
    108,215.95x = 9,300,894,826.21
  5. Step 5: Solve for x
    x = 9,300,894,826.21/108,215.95
  6. Step 6: Final answer
    x = 85,947.54

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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.