Home / 190,079.10-262,305.79-109,506.42

Finding the Fourth Proportional to 190,079.10, 262,305.79 and 109,506.42

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Solution

The fourth proportional to 190,079.10, 262,305.79 and 109,506.42 is: 151,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079.10 : 262,305.79 = 109,506.42 : x
  2. Step 2: Convert to fraction form
    190,079.10/262,305.79 = 109,506.42/x
  3. Step 3: Cross multiply
    190,079.10x = 262,305.79 × 109,506.42
  4. Step 4: Simplify right side
    190,079.10x = 28,724,168,008.17
  5. Step 5: Solve for x
    x = 28,724,168,008.17/190,079.10
  6. Step 6: Final answer
    x = 151,116.92

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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.