Home / 210,566.43-290,581.20-119,922.39

Finding the Fourth Proportional to 210,566.43, 290,581.20 and 119,922.39

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Solution

The fourth proportional to 210,566.43, 290,581.20 and 119,922.39 is: 165,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,566.43 : 290,581.20 = 119,922.39 : x
  2. Step 2: Convert to fraction form
    210,566.43/290,581.20 = 119,922.39/x
  3. Step 3: Cross multiply
    210,566.43x = 290,581.20 × 119,922.39
  4. Step 4: Simplify right side
    210,566.43x = 34,847,191,993.07
  5. Step 5: Solve for x
    x = 34,847,191,993.07/210,566.43
  6. Step 6: Final answer
    x = 165,492.63

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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.