Home / 118,868.85-164,024.42-75,244.35

Finding the Fourth Proportional to 118,868.85, 164,024.42 and 75,244.35

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Solution

The fourth proportional to 118,868.85, 164,024.42 and 75,244.35 is: 103,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868.85 : 164,024.42 = 75,244.35 : x
  2. Step 2: Convert to fraction form
    118,868.85/164,024.42 = 75,244.35/x
  3. Step 3: Cross multiply
    118,868.85x = 164,024.42 × 75,244.35
  4. Step 4: Simplify right side
    118,868.85x = 12,341,910,490.81
  5. Step 5: Solve for x
    x = 12,341,910,490.81/118,868.85
  6. Step 6: Final answer
    x = 103,827.96

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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.