Home / 213,738.55-294,967.88-118,243.60

Finding the Fourth Proportional to 213,738.55, 294,967.88 and 118,243.60

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Solution

The fourth proportional to 213,738.55, 294,967.88 and 118,243.60 is: 163,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738.55 : 294,967.88 = 118,243.60 : x
  2. Step 2: Convert to fraction form
    213,738.55/294,967.88 = 118,243.60/x
  3. Step 3: Cross multiply
    213,738.55x = 294,967.88 × 118,243.60
  4. Step 4: Simplify right side
    213,738.55x = 34,878,063,130.34
  5. Step 5: Solve for x
    x = 34,878,063,130.34/213,738.55
  6. Step 6: Final answer
    x = 163,180.97

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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.