Home / 331,670.18-457,717.08-188,454.48

Finding the Fourth Proportional to 331,670.18, 457,717.08 and 188,454.48

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Solution

The fourth proportional to 331,670.18, 457,717.08 and 188,454.48 is: 260,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,670.18 : 457,717.08 = 188,454.48 : x
  2. Step 2: Convert to fraction form
    331,670.18/457,717.08 = 188,454.48/x
  3. Step 3: Cross multiply
    331,670.18x = 457,717.08 × 188,454.48
  4. Step 4: Simplify right side
    331,670.18x = 86,258,834,298.52
  5. Step 5: Solve for x
    x = 86,258,834,298.52/331,670.18
  6. Step 6: Final answer
    x = 260,074.13

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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.