Home / 127,448.27-191,160.03-38,702.54

Finding the Fourth Proportional to 127,448.27, 191,160.03 and 38,702.54

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Solution

The fourth proportional to 127,448.27, 191,160.03 and 38,702.54 is: 58,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,448.27 : 191,160.03 = 38,702.54 : x
  2. Step 2: Convert to fraction form
    127,448.27/191,160.03 = 38,702.54/x
  3. Step 3: Cross multiply
    127,448.27x = 191,160.03 × 38,702.54
  4. Step 4: Simplify right side
    127,448.27x = 7,398,379,330.51
  5. Step 5: Solve for x
    x = 7,398,379,330.51/127,448.27
  6. Step 6: Final answer
    x = 58,050.06

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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.