Home / 290,369.02-401,044.54-193,413.15

Finding the Fourth Proportional to 290,369.02, 401,044.54 and 193,413.15

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Solution

The fourth proportional to 290,369.02, 401,044.54 and 193,413.15 is: 267,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,369.02 : 401,044.54 = 193,413.15 : x
  2. Step 2: Convert to fraction form
    290,369.02/401,044.54 = 193,413.15/x
  3. Step 3: Cross multiply
    290,369.02x = 401,044.54 × 193,413.15
  4. Step 4: Simplify right side
    290,369.02x = 77,567,289,886.70
  5. Step 5: Solve for x
    x = 77,567,289,886.70/290,369.02
  6. Step 6: Final answer
    x = 267,133.50

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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.