Home / 259,020.87-357,443.40-144,299.35

Finding the Fourth Proportional to 259,020.87, 357,443.40 and 144,299.35

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Solution

The fourth proportional to 259,020.87, 357,443.40 and 144,299.35 is: 199,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,020.87 : 357,443.40 = 144,299.35 : x
  2. Step 2: Convert to fraction form
    259,020.87/357,443.40 = 144,299.35/x
  3. Step 3: Cross multiply
    259,020.87x = 357,443.40 × 144,299.35
  4. Step 4: Simplify right side
    259,020.87x = 51,578,850,281.79
  5. Step 5: Solve for x
    x = 51,578,850,281.79/259,020.87
  6. Step 6: Final answer
    x = 199,130.09

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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.