Home / 148,588.32-204,937.44-103,265.76

Finding the Fourth Proportional to 148,588.32, 204,937.44 and 103,265.76

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Solution

The fourth proportional to 148,588.32, 204,937.44 and 103,265.76 is: 142,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,588.32 : 204,937.44 = 103,265.76 : x
  2. Step 2: Convert to fraction form
    148,588.32/204,937.44 = 103,265.76/x
  3. Step 3: Cross multiply
    148,588.32x = 204,937.44 × 103,265.76
  4. Step 4: Simplify right side
    148,588.32x = 21,163,020,494.05
  5. Step 5: Solve for x
    x = 21,163,020,494.05/148,588.32
  6. Step 6: Final answer
    x = 142,427.21

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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.