Home / 190,512.18-285,779.07-57,410.82

Finding the Fourth Proportional to 190,512.18, 285,779.07 and 57,410.82

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Solution

The fourth proportional to 190,512.18, 285,779.07 and 57,410.82 is: 86,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,512.18 : 285,779.07 = 57,410.82 : x
  2. Step 2: Convert to fraction form
    190,512.18/285,779.07 = 57,410.82/x
  3. Step 3: Cross multiply
    190,512.18x = 285,779.07 × 57,410.82
  4. Step 4: Simplify right side
    190,512.18x = 16,406,810,747.54
  5. Step 5: Solve for x
    x = 16,406,810,747.54/190,512.18
  6. Step 6: Final answer
    x = 86,119.48

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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.