Home / 289,249.51-433,708.14-154,147.26

Finding the Fourth Proportional to 289,249.51, 433,708.14 and 154,147.26

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Solution

The fourth proportional to 289,249.51, 433,708.14 and 154,147.26 is: 231,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,249.51 : 433,708.14 = 154,147.26 : x
  2. Step 2: Convert to fraction form
    289,249.51/433,708.14 = 154,147.26/x
  3. Step 3: Cross multiply
    289,249.51x = 433,708.14 × 154,147.26
  4. Step 4: Simplify right side
    289,249.51x = 66,854,921,420.70
  5. Step 5: Solve for x
    x = 66,854,921,420.70/289,249.51
  6. Step 6: Final answer
    x = 231,132.36

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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.