Home / 152,413.40-228,620.10-93,315.80

Finding the Fourth Proportional to 152,413.40, 228,620.10 and 93,315.80

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Solution

The fourth proportional to 152,413.40, 228,620.10 and 93,315.80 is: 139,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,413.40 : 228,620.10 = 93,315.80 : x
  2. Step 2: Convert to fraction form
    152,413.40/228,620.10 = 93,315.80/x
  3. Step 3: Cross multiply
    152,413.40x = 228,620.10 × 93,315.80
  4. Step 4: Simplify right side
    152,413.40x = 21,333,867,527.58
  5. Step 5: Solve for x
    x = 21,333,867,527.58/152,413.40
  6. Step 6: Final answer
    x = 139,973.70

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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.