Home / 108,141.48-149,238.45-62,826.84

Finding the Fourth Proportional to 108,141.48, 149,238.45 and 62,826.84

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Solution

The fourth proportional to 108,141.48, 149,238.45 and 62,826.84 is: 86,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,141.48 : 149,238.45 = 62,826.84 : x
  2. Step 2: Convert to fraction form
    108,141.48/149,238.45 = 62,826.84/x
  3. Step 3: Cross multiply
    108,141.48x = 149,238.45 × 62,826.84
  4. Step 4: Simplify right side
    108,141.48x = 9,376,180,220.00
  5. Step 5: Solve for x
    x = 9,376,180,220.00/108,141.48
  6. Step 6: Final answer
    x = 86,702.90

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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.