Home / 119,086.21-178,462.51-89,485.16

Finding the Fourth Proportional to 119,086.21, 178,462.51 and 89,485.16

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Solution

The fourth proportional to 119,086.21, 178,462.51 and 89,485.16 is: 134,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,086.21 : 178,462.51 = 89,485.16 : x
  2. Step 2: Convert to fraction form
    119,086.21/178,462.51 = 89,485.16/x
  3. Step 3: Cross multiply
    119,086.21x = 178,462.51 × 89,485.16
  4. Step 4: Simplify right side
    119,086.21x = 15,969,746,261.35
  5. Step 5: Solve for x
    x = 15,969,746,261.35/119,086.21
  6. Step 6: Final answer
    x = 134,102.40

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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.