Home / 369,860.23-554,795.82-103,603.92

Finding the Fourth Proportional to 369,860.23, 554,795.82 and 103,603.92

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Solution

The fourth proportional to 369,860.23, 554,795.82 and 103,603.92 is: 155,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,860.23 : 554,795.82 = 103,603.92 : x
  2. Step 2: Convert to fraction form
    369,860.23/554,795.82 = 103,603.92/x
  3. Step 3: Cross multiply
    369,860.23x = 554,795.82 × 103,603.92
  4. Step 4: Simplify right side
    369,860.23x = 57,479,020,517.11
  5. Step 5: Solve for x
    x = 57,479,020,517.11/369,860.23
  6. Step 6: Final answer
    x = 155,407.41

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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.