Home / 198,735.66-298,058.63-56,577.78

Finding the Fourth Proportional to 198,735.66, 298,058.63 and 56,577.78

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Solution

The fourth proportional to 198,735.66, 298,058.63 and 56,577.78 is: 84,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,735.66 : 298,058.63 = 56,577.78 : x
  2. Step 2: Convert to fraction form
    198,735.66/298,058.63 = 56,577.78/x
  3. Step 3: Cross multiply
    198,735.66x = 298,058.63 × 56,577.78
  4. Step 4: Simplify right side
    198,735.66x = 16,863,495,312.35
  5. Step 5: Solve for x
    x = 16,863,495,312.35/198,735.66
  6. Step 6: Final answer
    x = 84,853.90

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1.5x scale

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.