Home / 165,620.57-248,430.93-53,300.77

Finding the Fourth Proportional to 165,620.57, 248,430.93 and 53,300.77

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Solution

The fourth proportional to 165,620.57, 248,430.93 and 53,300.77 is: 79,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.57 : 248,430.93 = 53,300.77 : x
  2. Step 2: Convert to fraction form
    165,620.57/248,430.93 = 53,300.77/x
  3. Step 3: Cross multiply
    165,620.57x = 248,430.93 × 53,300.77
  4. Step 4: Simplify right side
    165,620.57x = 13,241,559,860.82
  5. Step 5: Solve for x
    x = 13,241,559,860.82/165,620.57
  6. Step 6: Final answer
    x = 79,951.18

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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.