Home / 319,646.07-479,547.18-106,413.57

Finding the Fourth Proportional to 319,646.07, 479,547.18 and 106,413.57

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Solution

The fourth proportional to 319,646.07, 479,547.18 and 106,413.57 is: 159,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,646.07 : 479,547.18 = 106,413.57 : x
  2. Step 2: Convert to fraction form
    319,646.07/479,547.18 = 106,413.57/x
  3. Step 3: Cross multiply
    319,646.07x = 479,547.18 × 106,413.57
  4. Step 4: Simplify right side
    319,646.07x = 51,030,327,407.23
  5. Step 5: Solve for x
    x = 51,030,327,407.23/319,646.07
  6. Step 6: Final answer
    x = 159,646.35

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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.