Home / 319,413.16-440,789.28-183,455.92

Finding the Fourth Proportional to 319,413.16, 440,789.28 and 183,455.92

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Solution

The fourth proportional to 319,413.16, 440,789.28 and 183,455.92 is: 253,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,413.16 : 440,789.28 = 183,455.92 : x
  2. Step 2: Convert to fraction form
    319,413.16/440,789.28 = 183,455.92/x
  3. Step 3: Cross multiply
    319,413.16x = 440,789.28 × 183,455.92
  4. Step 4: Simplify right side
    319,413.16x = 80,865,402,888.54
  5. Step 5: Solve for x
    x = 80,865,402,888.54/319,413.16
  6. Step 6: Final answer
    x = 253,168.66

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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.