Home / 118,873.24-178,588.56-112,148.08

Finding the Fourth Proportional to 118,873.24, 178,588.56 and 112,148.08

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Solution

The fourth proportional to 118,873.24, 178,588.56 and 112,148.08 is: 168,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,873.24 : 178,588.56 = 112,148.08 : x
  2. Step 2: Convert to fraction form
    118,873.24/178,588.56 = 112,148.08/x
  3. Step 3: Cross multiply
    118,873.24x = 178,588.56 × 112,148.08
  4. Step 4: Simplify right side
    118,873.24x = 20,028,364,113.96
  5. Step 5: Solve for x
    x = 20,028,364,113.96/118,873.24
  6. Step 6: Final answer
    x = 168,485.05

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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.