Home / 118,877.37-178,327.08-42,994.89

Finding the Fourth Proportional to 118,877.37, 178,327.08 and 42,994.89

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Solution

The fourth proportional to 118,877.37, 178,327.08 and 42,994.89 is: 64,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.37 : 178,327.08 = 42,994.89 : x
  2. Step 2: Convert to fraction form
    118,877.37/178,327.08 = 42,994.89/x
  3. Step 3: Cross multiply
    118,877.37x = 178,327.08 × 42,994.89
  4. Step 4: Simplify right side
    118,877.37x = 7,667,153,188.62
  5. Step 5: Solve for x
    x = 7,667,153,188.62/118,877.37
  6. Step 6: Final answer
    x = 64,496.32

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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.