Home / 190,499.37-285,188.49-127,162.39

Finding the Fourth Proportional to 190,499.37, 285,188.49 and 127,162.39

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Solution

The fourth proportional to 190,499.37, 285,188.49 and 127,162.39 is: 190,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,499.37 : 285,188.49 = 127,162.39 : x
  2. Step 2: Convert to fraction form
    190,499.37/285,188.49 = 127,162.39/x
  3. Step 3: Cross multiply
    190,499.37x = 285,188.49 × 127,162.39
  4. Step 4: Simplify right side
    190,499.37x = 36,265,249,988.89
  5. Step 5: Solve for x
    x = 36,265,249,988.89/190,499.37
  6. Step 6: Final answer
    x = 190,369.40

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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.