Home / 243,717.55-336,334.64-136,285.27

Finding the Fourth Proportional to 243,717.55, 336,334.64 and 136,285.27

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Solution

The fourth proportional to 243,717.55, 336,334.64 and 136,285.27 is: 188,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,717.55 : 336,334.64 = 136,285.27 : x
  2. Step 2: Convert to fraction form
    243,717.55/336,334.64 = 136,285.27/x
  3. Step 3: Cross multiply
    243,717.55x = 336,334.64 × 136,285.27
  4. Step 4: Simplify right side
    243,717.55x = 45,837,457,222.75
  5. Step 5: Solve for x
    x = 45,837,457,222.75/243,717.55
  6. Step 6: Final answer
    x = 188,076.14

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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.