Home / 127,827.60-191,739.60-57,706.80

Finding the Fourth Proportional to 127,827.60, 191,739.60 and 57,706.80

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Solution

The fourth proportional to 127,827.60, 191,739.60 and 57,706.80 is: 86,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.60 : 191,739.60 = 57,706.80 : x
  2. Step 2: Convert to fraction form
    127,827.60/191,739.60 = 57,706.80/x
  3. Step 3: Cross multiply
    127,827.60x = 191,739.60 × 57,706.80
  4. Step 4: Simplify right side
    127,827.60x = 11,064,678,749.28
  5. Step 5: Solve for x
    x = 11,064,678,749.28/127,827.60
  6. Step 6: Final answer
    x = 86,559.39

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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.