Home / 243,625.32-336,219.66-136,193.40

Finding the Fourth Proportional to 243,625.32, 336,219.66 and 136,193.40

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Solution

The fourth proportional to 243,625.32, 336,219.66 and 136,193.40 is: 187,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,625.32 : 336,219.66 = 136,193.40 : x
  2. Step 2: Convert to fraction form
    243,625.32/336,219.66 = 136,193.40/x
  3. Step 3: Cross multiply
    243,625.32x = 336,219.66 × 136,193.40
  4. Step 4: Simplify right side
    243,625.32x = 45,790,898,642.24
  5. Step 5: Solve for x
    x = 45,790,898,642.24/243,625.32
  6. Step 6: Final answer
    x = 187,956.24

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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.