Home / 236,957.71-355,436.56-79,186.16

Finding the Fourth Proportional to 236,957.71, 355,436.56 and 79,186.16

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Solution

The fourth proportional to 236,957.71, 355,436.56 and 79,186.16 is: 118,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,957.71 : 355,436.56 = 79,186.16 : x
  2. Step 2: Convert to fraction form
    236,957.71/355,436.56 = 79,186.16/x
  3. Step 3: Cross multiply
    236,957.71x = 355,436.56 × 79,186.16
  4. Step 4: Simplify right side
    236,957.71x = 28,145,655,544.58
  5. Step 5: Solve for x
    x = 28,145,655,544.58/236,957.71
  6. Step 6: Final answer
    x = 118,779.24

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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.