Home / 113,877.40-170,867.30-51,515.80

Finding the Fourth Proportional to 113,877.40, 170,867.30 and 51,515.80

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Solution

The fourth proportional to 113,877.40, 170,867.30 and 51,515.80 is: 77,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.40 : 170,867.30 = 51,515.80 : x
  2. Step 2: Convert to fraction form
    113,877.40/170,867.30 = 51,515.80/x
  3. Step 3: Cross multiply
    113,877.40x = 170,867.30 × 51,515.80
  4. Step 4: Simplify right side
    113,877.40x = 8,802,365,653.34
  5. Step 5: Solve for x
    x = 8,802,365,653.34/113,877.40
  6. Step 6: Final answer
    x = 77,296.86

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1.5x scale

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.