Home / 165,369.16-248,030.39-53,034.78

Finding the Fourth Proportional to 165,369.16, 248,030.39 and 53,034.78

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Solution

The fourth proportional to 165,369.16, 248,030.39 and 53,034.78 is: 79,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,369.16 : 248,030.39 = 53,034.78 : x
  2. Step 2: Convert to fraction form
    165,369.16/248,030.39 = 53,034.78/x
  3. Step 3: Cross multiply
    165,369.16x = 248,030.39 × 53,034.78
  4. Step 4: Simplify right side
    165,369.16x = 13,154,236,901.79
  5. Step 5: Solve for x
    x = 13,154,236,901.79/165,369.16
  6. Step 6: Final answer
    x = 79,544.68

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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.