Home / 243,774.35-336,381.42-136,342.23

Finding the Fourth Proportional to 243,774.35, 336,381.42 and 136,342.23

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Solution

The fourth proportional to 243,774.35, 336,381.42 and 136,342.23 is: 188,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,774.35 : 336,381.42 = 136,342.23 : x
  2. Step 2: Convert to fraction form
    243,774.35/336,381.42 = 136,342.23/x
  3. Step 3: Cross multiply
    243,774.35x = 336,381.42 × 136,342.23
  4. Step 4: Simplify right side
    243,774.35x = 45,862,992,933.37
  5. Step 5: Solve for x
    x = 45,862,992,933.37/243,774.35
  6. Step 6: Final answer
    x = 188,137.07

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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.