Home / 272,441.09-375,962.81-157,724.59

Finding the Fourth Proportional to 272,441.09, 375,962.81 and 157,724.59

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Solution

The fourth proportional to 272,441.09, 375,962.81 and 157,724.59 is: 217,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,441.09 : 375,962.81 = 157,724.59 : x
  2. Step 2: Convert to fraction form
    272,441.09/375,962.81 = 157,724.59/x
  3. Step 3: Cross multiply
    272,441.09x = 375,962.81 × 157,724.59
  4. Step 4: Simplify right side
    272,441.09x = 59,298,580,062.50
  5. Step 5: Solve for x
    x = 59,298,580,062.50/272,441.09
  6. Step 6: Final answer
    x = 217,656.52

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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.