Home / 190,987.29-286,413.19-56,013.86

Finding the Fourth Proportional to 190,987.29, 286,413.19 and 56,013.86

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Solution

The fourth proportional to 190,987.29, 286,413.19 and 56,013.86 is: 84,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,987.29 : 286,413.19 = 56,013.86 : x
  2. Step 2: Convert to fraction form
    190,987.29/286,413.19 = 56,013.86/x
  3. Step 3: Cross multiply
    190,987.29x = 286,413.19 × 56,013.86
  4. Step 4: Simplify right side
    190,987.29x = 16,043,108,902.81
  5. Step 5: Solve for x
    x = 16,043,108,902.81/190,987.29
  6. Step 6: Final answer
    x = 84,000.92

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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.