Home / 272,218.41-375,708.43-157,560.28

Finding the Fourth Proportional to 272,218.41, 375,708.43 and 157,560.28

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Solution

The fourth proportional to 272,218.41, 375,708.43 and 157,560.28 is: 217,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,218.41 : 375,708.43 = 157,560.28 : x
  2. Step 2: Convert to fraction form
    272,218.41/375,708.43 = 157,560.28/x
  3. Step 3: Cross multiply
    272,218.41x = 375,708.43 × 157,560.28
  4. Step 4: Simplify right side
    272,218.41x = 59,196,723,949.72
  5. Step 5: Solve for x
    x = 59,196,723,949.72/272,218.41
  6. Step 6: Final answer
    x = 217,460.40

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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.