Home / 259,137.74-357,622.25-151,742.36

Finding the Fourth Proportional to 259,137.74, 357,622.25 and 151,742.36

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Solution

The fourth proportional to 259,137.74, 357,622.25 and 151,742.36 is: 209,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,137.74 : 357,622.25 = 151,742.36 : x
  2. Step 2: Convert to fraction form
    259,137.74/357,622.25 = 151,742.36/x
  3. Step 3: Cross multiply
    259,137.74x = 357,622.25 × 151,742.36
  4. Step 4: Simplify right side
    259,137.74x = 54,266,441,656.69
  5. Step 5: Solve for x
    x = 54,266,441,656.69/259,137.74
  6. Step 6: Final answer
    x = 209,411.58

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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.