Home / 147,710.06-203,828.37-87,269.24

Finding the Fourth Proportional to 147,710.06, 203,828.37 and 87,269.24

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Solution

The fourth proportional to 147,710.06, 203,828.37 and 87,269.24 is: 120,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,710.06 : 203,828.37 = 87,269.24 : x
  2. Step 2: Convert to fraction form
    147,710.06/203,828.37 = 87,269.24/x
  3. Step 3: Cross multiply
    147,710.06x = 203,828.37 × 87,269.24
  4. Step 4: Simplify right side
    147,710.06x = 17,787,946,940.34
  5. Step 5: Solve for x
    x = 17,787,946,940.34/147,710.06
  6. Step 6: Final answer
    x = 120,424.75

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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.