Home / 127,221.42-190,541.48-60,708.26

Finding the Fourth Proportional to 127,221.42, 190,541.48 and 60,708.26

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Solution

The fourth proportional to 127,221.42, 190,541.48 and 60,708.26 is: 90,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,221.42 : 190,541.48 = 60,708.26 : x
  2. Step 2: Convert to fraction form
    127,221.42/190,541.48 = 60,708.26/x
  3. Step 3: Cross multiply
    127,221.42x = 190,541.48 × 60,708.26
  4. Step 4: Simplify right side
    127,221.42x = 11,567,441,225.51
  5. Step 5: Solve for x
    x = 11,567,441,225.51/127,221.42
  6. Step 6: Final answer
    x = 90,923.69

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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.