Home / 163,899.88-245,885-92,856.56

Finding the Fourth Proportional to 163,899.88, 245,885 and 92,856.56

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Solution

The fourth proportional to 163,899.88, 245,885 and 92,856.56 is: 139,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,899.88 : 245,885 = 92,856.56 : x
  2. Step 2: Convert to fraction form
    163,899.88/245,885 = 92,856.56/x
  3. Step 3: Cross multiply
    163,899.88x = 245,885 × 92,856.56
  4. Step 4: Simplify right side
    163,899.88x = 22,832,035,255.60
  5. Step 5: Solve for x
    x = 22,832,035,255.60/163,899.88
  6. Step 6: Final answer
    x = 139,304.77

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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.