Home / 190,989.29-286,416.19-56,015.86

Finding the Fourth Proportional to 190,989.29, 286,416.19 and 56,015.86

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Solution

The fourth proportional to 190,989.29, 286,416.19 and 56,015.86 is: 84,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,989.29 : 286,416.19 = 56,015.86 : x
  2. Step 2: Convert to fraction form
    190,989.29/286,416.19 = 56,015.86/x
  3. Step 3: Cross multiply
    190,989.29x = 286,416.19 × 56,015.86
  4. Step 4: Simplify right side
    190,989.29x = 16,043,849,200.77
  5. Step 5: Solve for x
    x = 16,043,849,200.77/190,989.29
  6. Step 6: Final answer
    x = 84,003.92

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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.