Home / 161,653.18-223,183.53-119,137.66

Finding the Fourth Proportional to 161,653.18, 223,183.53 and 119,137.66

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Solution

The fourth proportional to 161,653.18, 223,183.53 and 119,137.66 is: 164,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,653.18 : 223,183.53 = 119,137.66 : x
  2. Step 2: Convert to fraction form
    161,653.18/223,183.53 = 119,137.66/x
  3. Step 3: Cross multiply
    161,653.18x = 223,183.53 × 119,137.66
  4. Step 4: Simplify right side
    161,653.18x = 26,589,563,514.74
  5. Step 5: Solve for x
    x = 26,589,563,514.74/161,653.18
  6. Step 6: Final answer
    x = 164,485.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.