Home / 190,025.10-262,262.43-109,436.94

Finding the Fourth Proportional to 190,025.10, 262,262.43 and 109,436.94

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Solution

The fourth proportional to 190,025.10, 262,262.43 and 109,436.94 is: 151,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,025.10 : 262,262.43 = 109,436.94 : x
  2. Step 2: Convert to fraction form
    190,025.10/262,262.43 = 109,436.94/x
  3. Step 3: Cross multiply
    190,025.10x = 262,262.43 × 109,436.94
  4. Step 4: Simplify right side
    190,025.10x = 28,701,197,816.16
  5. Step 5: Solve for x
    x = 28,701,197,816.16/190,025.10
  6. Step 6: Final answer
    x = 151,038.98

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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.