Home / 184,792.78-255,014.40-99,909.84

Finding the Fourth Proportional to 184,792.78, 255,014.40 and 99,909.84

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Solution

The fourth proportional to 184,792.78, 255,014.40 and 99,909.84 is: 137,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,792.78 : 255,014.40 = 99,909.84 : x
  2. Step 2: Convert to fraction form
    184,792.78/255,014.40 = 99,909.84/x
  3. Step 3: Cross multiply
    184,792.78x = 255,014.40 × 99,909.84
  4. Step 4: Simplify right side
    184,792.78x = 25,478,447,517.21
  5. Step 5: Solve for x
    x = 25,478,447,517.21/184,792.78
  6. Step 6: Final answer
    x = 137,875.78

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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.