Home / 190,941.80-286,412.70-50,714.60

Finding the Fourth Proportional to 190,941.80, 286,412.70 and 50,714.60

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Solution

The fourth proportional to 190,941.80, 286,412.70 and 50,714.60 is: 76,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,941.80 : 286,412.70 = 50,714.60 : x
  2. Step 2: Convert to fraction form
    190,941.80/286,412.70 = 50,714.60/x
  3. Step 3: Cross multiply
    190,941.80x = 286,412.70 × 50,714.60
  4. Step 4: Simplify right side
    190,941.80x = 14,525,305,515.42
  5. Step 5: Solve for x
    x = 14,525,305,515.42/190,941.80
  6. Step 6: Final answer
    x = 76,071.90

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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.