Home / 272,202.25-375,531.21-157,459.60

Finding the Fourth Proportional to 272,202.25, 375,531.21 and 157,459.60

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Solution

The fourth proportional to 272,202.25, 375,531.21 and 157,459.60 is: 217,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,202.25 : 375,531.21 = 157,459.60 : x
  2. Step 2: Convert to fraction form
    272,202.25/375,531.21 = 157,459.60/x
  3. Step 3: Cross multiply
    272,202.25x = 375,531.21 × 157,459.60
  4. Step 4: Simplify right side
    272,202.25x = 59,130,992,914.02
  5. Step 5: Solve for x
    x = 59,130,992,914.02/272,202.25
  6. Step 6: Final answer
    x = 217,231.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.