Home / 315,040.04-472,369.98-125,529.60

Finding the Fourth Proportional to 315,040.04, 472,369.98 and 125,529.60

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Solution

The fourth proportional to 315,040.04, 472,369.98 and 125,529.60 is: 188,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,040.04 : 472,369.98 = 125,529.60 : x
  2. Step 2: Convert to fraction form
    315,040.04/472,369.98 = 125,529.60/x
  3. Step 3: Cross multiply
    315,040.04x = 472,369.98 × 125,529.60
  4. Step 4: Simplify right side
    315,040.04x = 59,296,414,641.41
  5. Step 5: Solve for x
    x = 59,296,414,641.41/315,040.04
  6. Step 6: Final answer
    x = 188,218.66

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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.