Home / 315,051.27-434,804.47-192,615.48

Finding the Fourth Proportional to 315,051.27, 434,804.47 and 192,615.48

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Solution

The fourth proportional to 315,051.27, 434,804.47 and 192,615.48 is: 265,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,051.27 : 434,804.47 = 192,615.48 : x
  2. Step 2: Convert to fraction form
    315,051.27/434,804.47 = 192,615.48/x
  3. Step 3: Cross multiply
    315,051.27x = 434,804.47 × 192,615.48
  4. Step 4: Simplify right side
    315,051.27x = 83,750,072,844.17
  5. Step 5: Solve for x
    x = 83,750,072,844.17/315,051.27
  6. Step 6: Final answer
    x = 265,829.98

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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.