Home / 369,918.93-554,903-130,003.82

Finding the Fourth Proportional to 369,918.93, 554,903 and 130,003.82

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Solution

The fourth proportional to 369,918.93, 554,903 and 130,003.82 is: 195,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,918.93 : 554,903 = 130,003.82 : x
  2. Step 2: Convert to fraction form
    369,918.93/554,903 = 130,003.82/x
  3. Step 3: Cross multiply
    369,918.93x = 554,903 × 130,003.82
  4. Step 4: Simplify right side
    369,918.93x = 72,139,509,729.46
  5. Step 5: Solve for x
    x = 72,139,509,729.46/369,918.93
  6. Step 6: Final answer
    x = 195,014.38

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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.