Home / 258,766.03-357,036.06-217,529.83

Finding the Fourth Proportional to 258,766.03, 357,036.06 and 217,529.83

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Solution

The fourth proportional to 258,766.03, 357,036.06 and 217,529.83 is: 300,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,766.03 : 357,036.06 = 217,529.83 : x
  2. Step 2: Convert to fraction form
    258,766.03/357,036.06 = 217,529.83/x
  3. Step 3: Cross multiply
    258,766.03x = 357,036.06 × 217,529.83
  4. Step 4: Simplify right side
    258,766.03x = 77,665,993,435.67
  5. Step 5: Solve for x
    x = 77,665,993,435.67/258,766.03
  6. Step 6: Final answer
    x = 300,139.83

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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.