Home / 136,467.84-204,684.48-53,420.16

Finding the Fourth Proportional to 136,467.84, 204,684.48 and 53,420.16

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Solution

The fourth proportional to 136,467.84, 204,684.48 and 53,420.16 is: 80,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,467.84 : 204,684.48 = 53,420.16 : x
  2. Step 2: Convert to fraction form
    136,467.84/204,684.48 = 53,420.16/x
  3. Step 3: Cross multiply
    136,467.84x = 204,684.48 × 53,420.16
  4. Step 4: Simplify right side
    136,467.84x = 10,934,277,671.12
  5. Step 5: Solve for x
    x = 10,934,277,671.12/136,467.84
  6. Step 6: Final answer
    x = 80,123.48

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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.