Home / 127,824.60-191,735.10-57,703.80

Finding the Fourth Proportional to 127,824.60, 191,735.10 and 57,703.80

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Solution

The fourth proportional to 127,824.60, 191,735.10 and 57,703.80 is: 86,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.60 : 191,735.10 = 57,703.80 : x
  2. Step 2: Convert to fraction form
    127,824.60/191,735.10 = 57,703.80/x
  3. Step 3: Cross multiply
    127,824.60x = 191,735.10 × 57,703.80
  4. Step 4: Simplify right side
    127,824.60x = 11,063,843,863.38
  5. Step 5: Solve for x
    x = 11,063,843,863.38/127,824.60
  6. Step 6: Final answer
    x = 86,554.89

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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.