Home / 133,943.76-184,736.88-118,646.64

Finding the Fourth Proportional to 133,943.76, 184,736.88 and 118,646.64

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Solution

The fourth proportional to 133,943.76, 184,736.88 and 118,646.64 is: 163,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,943.76 : 184,736.88 = 118,646.64 : x
  2. Step 2: Convert to fraction form
    133,943.76/184,736.88 = 118,646.64/x
  3. Step 3: Cross multiply
    133,943.76x = 184,736.88 × 118,646.64
  4. Step 4: Simplify right side
    133,943.76x = 21,918,410,096.08
  5. Step 5: Solve for x
    x = 21,918,410,096.08/133,943.76
  6. Step 6: Final answer
    x = 163,638.90

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1.5x scale

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.