Home / 190,204.81-285,200.33-130,300.83

Finding the Fourth Proportional to 190,204.81, 285,200.33 and 130,300.83

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Solution

The fourth proportional to 190,204.81, 285,200.33 and 130,300.83 is: 195,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.81 : 285,200.33 = 130,300.83 : x
  2. Step 2: Convert to fraction form
    190,204.81/285,200.33 = 130,300.83/x
  3. Step 3: Cross multiply
    190,204.81x = 285,200.33 × 130,300.83
  4. Step 4: Simplify right side
    190,204.81x = 37,161,837,637.77
  5. Step 5: Solve for x
    x = 37,161,837,637.77/190,204.81
  6. Step 6: Final answer
    x = 195,378.02

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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.