Home / 165,765.90-248,356.05-160,284.30

Finding the Fourth Proportional to 165,765.90, 248,356.05 and 160,284.30

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Solution

The fourth proportional to 165,765.90, 248,356.05 and 160,284.30 is: 240,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,765.90 : 248,356.05 = 160,284.30 : x
  2. Step 2: Convert to fraction form
    165,765.90/248,356.05 = 160,284.30/x
  3. Step 3: Cross multiply
    165,765.90x = 248,356.05 × 160,284.30
  4. Step 4: Simplify right side
    165,765.90x = 39,807,575,625.02
  5. Step 5: Solve for x
    x = 39,807,575,625.02/165,765.90
  6. Step 6: Final answer
    x = 240,143.33

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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.