Home / 272,660.64-376,244.88-159,461.28

Finding the Fourth Proportional to 272,660.64, 376,244.88 and 159,461.28

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Solution

The fourth proportional to 272,660.64, 376,244.88 and 159,461.28 is: 220,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,660.64 : 376,244.88 = 159,461.28 : x
  2. Step 2: Convert to fraction form
    272,660.64/376,244.88 = 159,461.28/x
  3. Step 3: Cross multiply
    272,660.64x = 376,244.88 × 159,461.28
  4. Step 4: Simplify right side
    272,660.64x = 59,996,490,158.25
  5. Step 5: Solve for x
    x = 59,996,490,158.25/272,660.64
  6. Step 6: Final answer
    x = 220,040.89

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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.