Home / 190,788.08-286,225.32-101,994.80

Finding the Fourth Proportional to 190,788.08, 286,225.32 and 101,994.80

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Solution

The fourth proportional to 190,788.08, 286,225.32 and 101,994.80 is: 153,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,788.08 : 286,225.32 = 101,994.80 : x
  2. Step 2: Convert to fraction form
    190,788.08/286,225.32 = 101,994.80/x
  3. Step 3: Cross multiply
    190,788.08x = 286,225.32 × 101,994.80
  4. Step 4: Simplify right side
    190,788.08x = 29,193,494,268.34
  5. Step 5: Solve for x
    x = 29,193,494,268.34/190,788.08
  6. Step 6: Final answer
    x = 153,015.29

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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.