Home / 127,326.33-190,727.06-74,575.89

Finding the Fourth Proportional to 127,326.33, 190,727.06 and 74,575.89

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Solution

The fourth proportional to 127,326.33, 190,727.06 and 74,575.89 is: 111,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.33 : 190,727.06 = 74,575.89 : x
  2. Step 2: Convert to fraction form
    127,326.33/190,727.06 = 74,575.89/x
  3. Step 3: Cross multiply
    127,326.33x = 190,727.06 × 74,575.89
  4. Step 4: Simplify right side
    127,326.33x = 14,223,639,873.70
  5. Step 5: Solve for x
    x = 14,223,639,873.70/127,326.33
  6. Step 6: Final answer
    x = 111,710.12

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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.