Home / 147,670.64-221,557.80-92,201.84

Finding the Fourth Proportional to 147,670.64, 221,557.80 and 92,201.84

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Solution

The fourth proportional to 147,670.64, 221,557.80 and 92,201.84 is: 138,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,670.64 : 221,557.80 = 92,201.84 : x
  2. Step 2: Convert to fraction form
    147,670.64/221,557.80 = 92,201.84/x
  3. Step 3: Cross multiply
    147,670.64x = 221,557.80 × 92,201.84
  4. Step 4: Simplify right side
    147,670.64x = 20,428,036,826.35
  5. Step 5: Solve for x
    x = 20,428,036,826.35/147,670.64
  6. Step 6: Final answer
    x = 138,335.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.