Home / 134,056.42-184,946.39-76,684.12

Finding the Fourth Proportional to 134,056.42, 184,946.39 and 76,684.12

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Solution

The fourth proportional to 134,056.42, 184,946.39 and 76,684.12 is: 105,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,056.42 : 184,946.39 = 76,684.12 : x
  2. Step 2: Convert to fraction form
    134,056.42/184,946.39 = 76,684.12/x
  3. Step 3: Cross multiply
    134,056.42x = 184,946.39 × 76,684.12
  4. Step 4: Simplify right side
    134,056.42x = 14,182,450,606.11
  5. Step 5: Solve for x
    x = 14,182,450,606.11/134,056.42
  6. Step 6: Final answer
    x = 105,794.64

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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.