Home / 369,904.50-554,413.57-189,805.05

Finding the Fourth Proportional to 369,904.50, 554,413.57 and 189,805.05

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Solution

The fourth proportional to 369,904.50, 554,413.57 and 189,805.05 is: 284,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,904.50 : 554,413.57 = 189,805.05 : x
  2. Step 2: Convert to fraction form
    369,904.50/554,413.57 = 189,805.05/x
  3. Step 3: Cross multiply
    369,904.50x = 554,413.57 × 189,805.05
  4. Step 4: Simplify right side
    369,904.50x = 105,230,495,374.53
  5. Step 5: Solve for x
    x = 105,230,495,374.53/369,904.50
  6. Step 6: Final answer
    x = 284,480.17

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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.