Home / 190,149.68-285,262.60-70,207.36

Finding the Fourth Proportional to 190,149.68, 285,262.60 and 70,207.36

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Solution

The fourth proportional to 190,149.68, 285,262.60 and 70,207.36 is: 105,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,149.68 : 285,262.60 = 70,207.36 : x
  2. Step 2: Convert to fraction form
    190,149.68/285,262.60 = 70,207.36/x
  3. Step 3: Cross multiply
    190,149.68x = 285,262.60 × 70,207.36
  4. Step 4: Simplify right side
    190,149.68x = 20,027,534,052.74
  5. Step 5: Solve for x
    x = 20,027,534,052.74/190,149.68
  6. Step 6: Final answer
    x = 105,325.10

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1.5x scale

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.