Home / 243,501.85-335,934.29-161,869.57

Finding the Fourth Proportional to 243,501.85, 335,934.29 and 161,869.57

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Solution

The fourth proportional to 243,501.85, 335,934.29 and 161,869.57 is: 223,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,501.85 : 335,934.29 = 161,869.57 : x
  2. Step 2: Convert to fraction form
    243,501.85/335,934.29 = 161,869.57/x
  3. Step 3: Cross multiply
    243,501.85x = 335,934.29 × 161,869.57
  4. Step 4: Simplify right side
    243,501.85x = 54,377,539,070.56
  5. Step 5: Solve for x
    x = 54,377,539,070.56/243,501.85
  6. Step 6: Final answer
    x = 223,314.69

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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.