Home / 203,774.40-305,705.28-61,607.52

Finding the Fourth Proportional to 203,774.40, 305,705.28 and 61,607.52

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Solution

The fourth proportional to 203,774.40, 305,705.28 and 61,607.52 is: 92,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,774.40 : 305,705.28 = 61,607.52 : x
  2. Step 2: Convert to fraction form
    203,774.40/305,705.28 = 61,607.52/x
  3. Step 3: Cross multiply
    203,774.40x = 305,705.28 × 61,607.52
  4. Step 4: Simplify right side
    203,774.40x = 18,833,744,151.71
  5. Step 5: Solve for x
    x = 18,833,744,151.71/203,774.40
  6. Step 6: Final answer
    x = 92,424.49

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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.