Home / 251,683.54-347,330.57-136,969.58

Finding the Fourth Proportional to 251,683.54, 347,330.57 and 136,969.58

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Solution

The fourth proportional to 251,683.54, 347,330.57 and 136,969.58 is: 189,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,683.54 : 347,330.57 = 136,969.58 : x
  2. Step 2: Convert to fraction form
    251,683.54/347,330.57 = 136,969.58/x
  3. Step 3: Cross multiply
    251,683.54x = 347,330.57 × 136,969.58
  4. Step 4: Simplify right side
    251,683.54x = 47,573,722,477.54
  5. Step 5: Solve for x
    x = 47,573,722,477.54/251,683.54
  6. Step 6: Final answer
    x = 189,021.99

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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.