Home / 260,488.50-390,783.51-110,727.06

Finding the Fourth Proportional to 260,488.50, 390,783.51 and 110,727.06

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Solution

The fourth proportional to 260,488.50, 390,783.51 and 110,727.06 is: 166,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,488.50 : 390,783.51 = 110,727.06 : x
  2. Step 2: Convert to fraction form
    260,488.50/390,783.51 = 110,727.06/x
  3. Step 3: Cross multiply
    260,488.50x = 390,783.51 × 110,727.06
  4. Step 4: Simplify right side
    260,488.50x = 43,270,309,158.78
  5. Step 5: Solve for x
    x = 43,270,309,158.78/260,488.50
  6. Step 6: Final answer
    x = 166,112.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.