Home / 236,820.16-355,220.48-131,572

Finding the Fourth Proportional to 236,820.16, 355,220.48 and 131,572

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Solution

The fourth proportional to 236,820.16, 355,220.48 and 131,572 is: 197,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,820.16 : 355,220.48 = 131,572 : x
  2. Step 2: Convert to fraction form
    236,820.16/355,220.48 = 131,572/x
  3. Step 3: Cross multiply
    236,820.16x = 355,220.48 × 131,572
  4. Step 4: Simplify right side
    236,820.16x = 46,737,068,994.56
  5. Step 5: Solve for x
    x = 46,737,068,994.56/236,820.16
  6. Step 6: Final answer
    x = 197,352.58

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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.