Home / 187,822.06-281,746.08-75,502.40

Finding the Fourth Proportional to 187,822.06, 281,746.08 and 75,502.40

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Solution

The fourth proportional to 187,822.06, 281,746.08 and 75,502.40 is: 113,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,822.06 : 281,746.08 = 75,502.40 : x
  2. Step 2: Convert to fraction form
    187,822.06/281,746.08 = 75,502.40/x
  3. Step 3: Cross multiply
    187,822.06x = 281,746.08 × 75,502.40
  4. Step 4: Simplify right side
    187,822.06x = 21,272,503,821.86
  5. Step 5: Solve for x
    x = 21,272,503,821.86/187,822.06
  6. Step 6: Final answer
    x = 113,258.82

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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.