Home / 243,627.16-336,203.94-136,196.68

Finding the Fourth Proportional to 243,627.16, 336,203.94 and 136,196.68

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Solution

The fourth proportional to 243,627.16, 336,203.94 and 136,196.68 is: 187,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,627.16 : 336,203.94 = 136,196.68 : x
  2. Step 2: Convert to fraction form
    243,627.16/336,203.94 = 136,196.68/x
  3. Step 3: Cross multiply
    243,627.16x = 336,203.94 × 136,196.68
  4. Step 4: Simplify right side
    243,627.16x = 45,789,860,430.92
  5. Step 5: Solve for x
    x = 45,789,860,430.92/243,627.16
  6. Step 6: Final answer
    x = 187,950.56

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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.