Home / 134,289.96-185,219.44-128,334.12

Finding the Fourth Proportional to 134,289.96, 185,219.44 and 128,334.12

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Solution

The fourth proportional to 134,289.96, 185,219.44 and 128,334.12 is: 177,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,289.96 : 185,219.44 = 128,334.12 : x
  2. Step 2: Convert to fraction form
    134,289.96/185,219.44 = 128,334.12/x
  3. Step 3: Cross multiply
    134,289.96x = 185,219.44 × 128,334.12
  4. Step 4: Simplify right side
    134,289.96x = 23,769,973,839.29
  5. Step 5: Solve for x
    x = 23,769,973,839.29/134,289.96
  6. Step 6: Final answer
    x = 177,004.85

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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.