Home / 147,384.21-203,398.52-111,511.94

Finding the Fourth Proportional to 147,384.21, 203,398.52 and 111,511.94

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Solution

The fourth proportional to 147,384.21, 203,398.52 and 111,511.94 is: 153,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.21 : 203,398.52 = 111,511.94 : x
  2. Step 2: Convert to fraction form
    147,384.21/203,398.52 = 111,511.94/x
  3. Step 3: Cross multiply
    147,384.21x = 203,398.52 × 111,511.94
  4. Step 4: Simplify right side
    147,384.21x = 22,681,363,441.52
  5. Step 5: Solve for x
    x = 22,681,363,441.52/147,384.21
  6. Step 6: Final answer
    x = 153,892.77

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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.