Home / 127,885.88-191,828.82-57,746.36

Finding the Fourth Proportional to 127,885.88, 191,828.82 and 57,746.36

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Solution

The fourth proportional to 127,885.88, 191,828.82 and 57,746.36 is: 86,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,885.88 : 191,828.82 = 57,746.36 : x
  2. Step 2: Convert to fraction form
    127,885.88/191,828.82 = 57,746.36/x
  3. Step 3: Cross multiply
    127,885.88x = 191,828.82 × 57,746.36
  4. Step 4: Simplify right side
    127,885.88x = 11,077,416,098.10
  5. Step 5: Solve for x
    x = 11,077,416,098.10/127,885.88
  6. Step 6: Final answer
    x = 86,619.54

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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.