Home / 165,435.72-248,195.16-53,125.98

Finding the Fourth Proportional to 165,435.72, 248,195.16 and 53,125.98

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Solution

The fourth proportional to 165,435.72, 248,195.16 and 53,125.98 is: 79,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,435.72 : 248,195.16 = 53,125.98 : x
  2. Step 2: Convert to fraction form
    165,435.72/248,195.16 = 53,125.98/x
  3. Step 3: Cross multiply
    165,435.72x = 248,195.16 × 53,125.98
  4. Step 4: Simplify right side
    165,435.72x = 13,185,611,106.26
  5. Step 5: Solve for x
    x = 13,185,611,106.26/165,435.72
  6. Step 6: Final answer
    x = 79,702.32

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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.