Home / 236,746.95-355,138.92-78,975.24

Finding the Fourth Proportional to 236,746.95, 355,138.92 and 78,975.24

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Solution

The fourth proportional to 236,746.95, 355,138.92 and 78,975.24 is: 118,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,746.95 : 355,138.92 = 78,975.24 : x
  2. Step 2: Convert to fraction form
    236,746.95/355,138.92 = 78,975.24/x
  3. Step 3: Cross multiply
    236,746.95x = 355,138.92 × 78,975.24
  4. Step 4: Simplify right side
    236,746.95x = 28,047,181,440.34
  5. Step 5: Solve for x
    x = 28,047,181,440.34/236,746.95
  6. Step 6: Final answer
    x = 118,469.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.