Home / 262,458.16-393,095.36-121,921.04

Finding the Fourth Proportional to 262,458.16, 393,095.36 and 121,921.04

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Solution

The fourth proportional to 262,458.16, 393,095.36 and 121,921.04 is: 182,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,458.16 : 393,095.36 = 121,921.04 : x
  2. Step 2: Convert to fraction form
    262,458.16/393,095.36 = 121,921.04/x
  3. Step 3: Cross multiply
    262,458.16x = 393,095.36 × 121,921.04
  4. Step 4: Simplify right side
    262,458.16x = 47,926,595,110.37
  5. Step 5: Solve for x
    x = 47,926,595,110.37/262,458.16
  6. Step 6: Final answer
    x = 182,606.61

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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.