Home / 171,815.60-237,332.64-143,228.64

Finding the Fourth Proportional to 171,815.60, 237,332.64 and 143,228.64

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Solution

The fourth proportional to 171,815.60, 237,332.64 and 143,228.64 is: 197,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,815.60 : 237,332.64 = 143,228.64 : x
  2. Step 2: Convert to fraction form
    171,815.60/237,332.64 = 143,228.64/x
  3. Step 3: Cross multiply
    171,815.60x = 237,332.64 × 143,228.64
  4. Step 4: Simplify right side
    171,815.60x = 33,992,831,254.81
  5. Step 5: Solve for x
    x = 33,992,831,254.81/171,815.60
  6. Step 6: Final answer
    x = 197,844.85

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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.