Home / 243,827.63-336,495.20-136,391.26

Finding the Fourth Proportional to 243,827.63, 336,495.20 and 136,391.26

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Solution

The fourth proportional to 243,827.63, 336,495.20 and 136,391.26 is: 188,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,827.63 : 336,495.20 = 136,391.26 : x
  2. Step 2: Convert to fraction form
    243,827.63/336,495.20 = 136,391.26/x
  3. Step 3: Cross multiply
    243,827.63x = 336,495.20 × 136,391.26
  4. Step 4: Simplify right side
    243,827.63x = 45,895,004,311.95
  5. Step 5: Solve for x
    x = 45,895,004,311.95/243,827.63
  6. Step 6: Final answer
    x = 188,227.25

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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.