Home / 165,603.72-248,329.44-53,263.20

Finding the Fourth Proportional to 165,603.72, 248,329.44 and 53,263.20

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Solution

The fourth proportional to 165,603.72, 248,329.44 and 53,263.20 is: 79,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,603.72 : 248,329.44 = 53,263.20 : x
  2. Step 2: Convert to fraction form
    165,603.72/248,329.44 = 53,263.20/x
  3. Step 3: Cross multiply
    165,603.72x = 248,329.44 × 53,263.20
  4. Step 4: Simplify right side
    165,603.72x = 13,226,820,628.61
  5. Step 5: Solve for x
    x = 13,226,820,628.61/165,603.72
  6. Step 6: Final answer
    x = 79,870.31

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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.