Home / 263,999.16-364,320.46-143,139.38

Finding the Fourth Proportional to 263,999.16, 364,320.46 and 143,139.38

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Solution

The fourth proportional to 263,999.16, 364,320.46 and 143,139.38 is: 197,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.16 : 364,320.46 = 143,139.38 : x
  2. Step 2: Convert to fraction form
    263,999.16/364,320.46 = 143,139.38/x
  3. Step 3: Cross multiply
    263,999.16x = 364,320.46 × 143,139.38
  4. Step 4: Simplify right side
    263,999.16x = 52,148,604,765.71
  5. Step 5: Solve for x
    x = 52,148,604,765.71/263,999.16
  6. Step 6: Final answer
    x = 197,533.22

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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.