Home / 190,080.10-262,307.17-109,507.42

Finding the Fourth Proportional to 190,080.10, 262,307.17 and 109,507.42

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Solution

The fourth proportional to 190,080.10, 262,307.17 and 109,507.42 is: 151,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,080.10 : 262,307.17 = 109,507.42 : x
  2. Step 2: Convert to fraction form
    190,080.10/262,307.17 = 109,507.42/x
  3. Step 3: Cross multiply
    190,080.10x = 262,307.17 × 109,507.42
  4. Step 4: Simplify right side
    190,080.10x = 28,724,581,434.20
  5. Step 5: Solve for x
    x = 28,724,581,434.20/190,080.10
  6. Step 6: Final answer
    x = 151,118.30

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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.