Home / 124,288.56-171,606.60-76,556.88

Finding the Fourth Proportional to 124,288.56, 171,606.60 and 76,556.88

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Solution

The fourth proportional to 124,288.56, 171,606.60 and 76,556.88 is: 105,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,288.56 : 171,606.60 = 76,556.88 : x
  2. Step 2: Convert to fraction form
    124,288.56/171,606.60 = 76,556.88/x
  3. Step 3: Cross multiply
    124,288.56x = 171,606.60 × 76,556.88
  4. Step 4: Simplify right side
    124,288.56x = 13,137,665,883.41
  5. Step 5: Solve for x
    x = 13,137,665,883.41/124,288.56
  6. Step 6: Final answer
    x = 105,702.94

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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.