Home / 165,355.03-248,028.90-53,030.71

Finding the Fourth Proportional to 165,355.03, 248,028.90 and 53,030.71

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Solution

The fourth proportional to 165,355.03, 248,028.90 and 53,030.71 is: 79,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.03 : 248,028.90 = 53,030.71 : x
  2. Step 2: Convert to fraction form
    165,355.03/248,028.90 = 53,030.71/x
  3. Step 3: Cross multiply
    165,355.03x = 248,028.90 × 53,030.71
  4. Step 4: Simplify right side
    165,355.03x = 13,153,148,667.52
  5. Step 5: Solve for x
    x = 13,153,148,667.52/165,355.03
  6. Step 6: Final answer
    x = 79,544.90

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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.