Home / 190,133.10-262,389.87-109,554.30

Finding the Fourth Proportional to 190,133.10, 262,389.87 and 109,554.30

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Solution

The fourth proportional to 190,133.10, 262,389.87 and 109,554.30 is: 151,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,133.10 : 262,389.87 = 109,554.30 : x
  2. Step 2: Convert to fraction form
    190,133.10/262,389.87 = 109,554.30/x
  3. Step 3: Cross multiply
    190,133.10x = 262,389.87 × 109,554.30
  4. Step 4: Simplify right side
    190,133.10x = 28,745,938,534.94
  5. Step 5: Solve for x
    x = 28,745,938,534.94/190,133.10
  6. Step 6: Final answer
    x = 151,188.50

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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.