Home / 184,988.50-255,285.96-100,107.39

Finding the Fourth Proportional to 184,988.50, 255,285.96 and 100,107.39

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Solution

The fourth proportional to 184,988.50, 255,285.96 and 100,107.39 is: 138,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,988.50 : 255,285.96 = 100,107.39 : x
  2. Step 2: Convert to fraction form
    184,988.50/255,285.96 = 100,107.39/x
  3. Step 3: Cross multiply
    184,988.50x = 255,285.96 × 100,107.39
  4. Step 4: Simplify right side
    184,988.50x = 25,556,011,159.24
  5. Step 5: Solve for x
    x = 25,556,011,159.24/184,988.50
  6. Step 6: Final answer
    x = 138,149.19

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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.