Home / 243,555.19-336,095.60-133,171.82

Finding the Fourth Proportional to 243,555.19, 336,095.60 and 133,171.82

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Solution

The fourth proportional to 243,555.19, 336,095.60 and 133,171.82 is: 183,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,555.19 : 336,095.60 = 133,171.82 : x
  2. Step 2: Convert to fraction form
    243,555.19/336,095.60 = 133,171.82/x
  3. Step 3: Cross multiply
    243,555.19x = 336,095.60 × 133,171.82
  4. Step 4: Simplify right side
    243,555.19x = 44,758,462,745.99
  5. Step 5: Solve for x
    x = 44,758,462,745.99/243,555.19
  6. Step 6: Final answer
    x = 183,771.34

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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.