Home / 272,966.40-376,695.14-158,313

Finding the Fourth Proportional to 272,966.40, 376,695.14 and 158,313

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Solution

The fourth proportional to 272,966.40, 376,695.14 and 158,313 is: 218,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,966.40 : 376,695.14 = 158,313 : x
  2. Step 2: Convert to fraction form
    272,966.40/376,695.14 = 158,313/x
  3. Step 3: Cross multiply
    272,966.40x = 376,695.14 × 158,313
  4. Step 4: Simplify right side
    272,966.40x = 59,635,736,907.26
  5. Step 5: Solve for x
    x = 59,635,736,907.26/272,966.40
  6. Step 6: Final answer
    x = 218,472.81

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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.