Home / 136,848.32-204,893.76-70,144.64

Finding the Fourth Proportional to 136,848.32, 204,893.76 and 70,144.64

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Solution

The fourth proportional to 136,848.32, 204,893.76 and 70,144.64 is: 105,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,848.32 : 204,893.76 = 70,144.64 : x
  2. Step 2: Convert to fraction form
    136,848.32/204,893.76 = 70,144.64/x
  3. Step 3: Cross multiply
    136,848.32x = 204,893.76 × 70,144.64
  4. Step 4: Simplify right side
    136,848.32x = 14,372,199,033.45
  5. Step 5: Solve for x
    x = 14,372,199,033.45/136,848.32
  6. Step 6: Final answer
    x = 105,022.84

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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.