Home / 190,419.12-285,430.56-63,965.52

Finding the Fourth Proportional to 190,419.12, 285,430.56 and 63,965.52

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Solution

The fourth proportional to 190,419.12, 285,430.56 and 63,965.52 is: 95,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,419.12 : 285,430.56 = 63,965.52 : x
  2. Step 2: Convert to fraction form
    190,419.12/285,430.56 = 63,965.52/x
  3. Step 3: Cross multiply
    190,419.12x = 285,430.56 × 63,965.52
  4. Step 4: Simplify right side
    190,419.12x = 18,257,714,194.29
  5. Step 5: Solve for x
    x = 18,257,714,194.29/190,419.12
  6. Step 6: Final answer
    x = 95,881.73

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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.