Home / 122,962.40-184,443.60-91,858.40

Finding the Fourth Proportional to 122,962.40, 184,443.60 and 91,858.40

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Solution

The fourth proportional to 122,962.40, 184,443.60 and 91,858.40 is: 137,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,962.40 : 184,443.60 = 91,858.40 : x
  2. Step 2: Convert to fraction form
    122,962.40/184,443.60 = 91,858.40/x
  3. Step 3: Cross multiply
    122,962.40x = 184,443.60 × 91,858.40
  4. Step 4: Simplify right side
    122,962.40x = 16,942,693,986.24
  5. Step 5: Solve for x
    x = 16,942,693,986.24/122,962.40
  6. Step 6: Final answer
    x = 137,787.60

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1.5x scale

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.