Home / 213,751.20-294,975.36-118,255.86

Finding the Fourth Proportional to 213,751.20, 294,975.36 and 118,255.86

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Solution

The fourth proportional to 213,751.20, 294,975.36 and 118,255.86 is: 163,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,751.20 : 294,975.36 = 118,255.86 : x
  2. Step 2: Convert to fraction form
    213,751.20/294,975.36 = 118,255.86/x
  3. Step 3: Cross multiply
    213,751.20x = 294,975.36 × 118,255.86
  4. Step 4: Simplify right side
    213,751.20x = 34,882,564,875.61
  5. Step 5: Solve for x
    x = 34,882,564,875.61/213,751.20
  6. Step 6: Final answer
    x = 163,192.37

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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.