Home / 102,254.40-152,560.26-91,027.80

Finding the Fourth Proportional to 102,254.40, 152,560.26 and 91,027.80

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Solution

The fourth proportional to 102,254.40, 152,560.26 and 91,027.80 is: 135,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,254.40 : 152,560.26 = 91,027.80 : x
  2. Step 2: Convert to fraction form
    102,254.40/152,560.26 = 91,027.80/x
  3. Step 3: Cross multiply
    102,254.40x = 152,560.26 × 91,027.80
  4. Step 4: Simplify right side
    102,254.40x = 13,887,224,835.23
  5. Step 5: Solve for x
    x = 13,887,224,835.23/102,254.40
  6. Step 6: Final answer
    x = 135,810.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.