Home / 190,124.28-262,399.14-109,536.12

Finding the Fourth Proportional to 190,124.28, 262,399.14 and 109,536.12

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Solution

The fourth proportional to 190,124.28, 262,399.14 and 109,536.12 is: 151,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124.28 : 262,399.14 = 109,536.12 : x
  2. Step 2: Convert to fraction form
    190,124.28/262,399.14 = 109,536.12/x
  3. Step 3: Cross multiply
    190,124.28x = 262,399.14 × 109,536.12
  4. Step 4: Simplify right side
    190,124.28x = 28,742,183,686.94
  5. Step 5: Solve for x
    x = 28,742,183,686.94/190,124.28
  6. Step 6: Final answer
    x = 151,175.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.