Home / 148,514.90-204,931.68-84,856.82

Finding the Fourth Proportional to 148,514.90, 204,931.68 and 84,856.82

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Solution

The fourth proportional to 148,514.90, 204,931.68 and 84,856.82 is: 117,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,514.90 : 204,931.68 = 84,856.82 : x
  2. Step 2: Convert to fraction form
    148,514.90/204,931.68 = 84,856.82/x
  3. Step 3: Cross multiply
    148,514.90x = 204,931.68 × 84,856.82
  4. Step 4: Simplify right side
    148,514.90x = 17,389,850,682.06
  5. Step 5: Solve for x
    x = 17,389,850,682.06/148,514.90
  6. Step 6: Final answer
    x = 117,091.62

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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.