Home / 127,476.08-191,212.48-57,305.80

Finding the Fourth Proportional to 127,476.08, 191,212.48 and 57,305.80

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Solution

The fourth proportional to 127,476.08, 191,212.48 and 57,305.80 is: 85,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,476.08 : 191,212.48 = 57,305.80 : x
  2. Step 2: Convert to fraction form
    127,476.08/191,212.48 = 57,305.80/x
  3. Step 3: Cross multiply
    127,476.08x = 191,212.48 × 57,305.80
  4. Step 4: Simplify right side
    127,476.08x = 10,957,584,136.38
  5. Step 5: Solve for x
    x = 10,957,584,136.38/127,476.08
  6. Step 6: Final answer
    x = 85,957.96

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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.