Home / 263,688.13-395,550.65-130,532.64

Finding the Fourth Proportional to 263,688.13, 395,550.65 and 130,532.64

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Solution

The fourth proportional to 263,688.13, 395,550.65 and 130,532.64 is: 195,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,688.13 : 395,550.65 = 130,532.64 : x
  2. Step 2: Convert to fraction form
    263,688.13/395,550.65 = 130,532.64/x
  3. Step 3: Cross multiply
    263,688.13x = 395,550.65 × 130,532.64
  4. Step 4: Simplify right side
    263,688.13x = 51,632,270,598.22
  5. Step 5: Solve for x
    x = 51,632,270,598.22/263,688.13
  6. Step 6: Final answer
    x = 195,808.10

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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.