Home / 165,438.36-248,036.56-53,054.61

Finding the Fourth Proportional to 165,438.36, 248,036.56 and 53,054.61

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Solution

The fourth proportional to 165,438.36, 248,036.56 and 53,054.61 is: 79,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,438.36 : 248,036.56 = 53,054.61 : x
  2. Step 2: Convert to fraction form
    165,438.36/248,036.56 = 53,054.61/x
  3. Step 3: Cross multiply
    165,438.36x = 248,036.56 × 53,054.61
  4. Step 4: Simplify right side
    165,438.36x = 13,159,483,022.86
  5. Step 5: Solve for x
    x = 13,159,483,022.86/165,438.36
  6. Step 6: Final answer
    x = 79,543.12

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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.