Home / 190,080.28-262,282.56-115,449.91

Finding the Fourth Proportional to 190,080.28, 262,282.56 and 115,449.91

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Solution

The fourth proportional to 190,080.28, 262,282.56 and 115,449.91 is: 159,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,080.28 : 262,282.56 = 115,449.91 : x
  2. Step 2: Convert to fraction form
    190,080.28/262,282.56 = 115,449.91/x
  3. Step 3: Cross multiply
    190,080.28x = 262,282.56 × 115,449.91
  4. Step 4: Simplify right side
    190,080.28x = 30,280,496,635.16
  5. Step 5: Solve for x
    x = 30,280,496,635.16/190,080.28
  6. Step 6: Final answer
    x = 159,303.72

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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.