Home / 155,206.08-214,261.90-101,573.02

Finding the Fourth Proportional to 155,206.08, 214,261.90 and 101,573.02

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Solution

The fourth proportional to 155,206.08, 214,261.90 and 101,573.02 is: 140,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,206.08 : 214,261.90 = 101,573.02 : x
  2. Step 2: Convert to fraction form
    155,206.08/214,261.90 = 101,573.02/x
  3. Step 3: Cross multiply
    155,206.08x = 214,261.90 × 101,573.02
  4. Step 4: Simplify right side
    155,206.08x = 21,763,228,553.51
  5. Step 5: Solve for x
    x = 21,763,228,553.51/155,206.08
  6. Step 6: Final answer
    x = 140,221.49

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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.