Home / 161,950.42-223,375.89-140,401.65

Finding the Fourth Proportional to 161,950.42, 223,375.89 and 140,401.65

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Solution

The fourth proportional to 161,950.42, 223,375.89 and 140,401.65 is: 193,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,950.42 : 223,375.89 = 140,401.65 : x
  2. Step 2: Convert to fraction form
    161,950.42/223,375.89 = 140,401.65/x
  3. Step 3: Cross multiply
    161,950.42x = 223,375.89 × 140,401.65
  4. Step 4: Simplify right side
    161,950.42x = 31,362,343,526.22
  5. Step 5: Solve for x
    x = 31,362,343,526.22/161,950.42
  6. Step 6: Final answer
    x = 193,653.98

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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.