Home / 165,620.63-248,431.02-53,300.84

Finding the Fourth Proportional to 165,620.63, 248,431.02 and 53,300.84

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Solution

The fourth proportional to 165,620.63, 248,431.02 and 53,300.84 is: 79,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.63 : 248,431.02 = 53,300.84 : x
  2. Step 2: Convert to fraction form
    165,620.63/248,431.02 = 53,300.84/x
  3. Step 3: Cross multiply
    165,620.63x = 248,431.02 × 53,300.84
  4. Step 4: Simplify right side
    165,620.63x = 13,241,580,939.15
  5. Step 5: Solve for x
    x = 13,241,580,939.15/165,620.63
  6. Step 6: Final answer
    x = 79,951.28

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1.5x scale

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.