Home / 147,475.71-203,468.36-87,025.95

Finding the Fourth Proportional to 147,475.71, 203,468.36 and 87,025.95

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Solution

The fourth proportional to 147,475.71, 203,468.36 and 87,025.95 is: 120,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,475.71 : 203,468.36 = 87,025.95 : x
  2. Step 2: Convert to fraction form
    147,475.71/203,468.36 = 87,025.95/x
  3. Step 3: Cross multiply
    147,475.71x = 203,468.36 × 87,025.95
  4. Step 4: Simplify right side
    147,475.71x = 17,707,026,888.81
  5. Step 5: Solve for x
    x = 17,707,026,888.81/147,475.71
  6. Step 6: Final answer
    x = 120,067.41

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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.