Home / 258,526.06-387,579.90-116,267.15

Finding the Fourth Proportional to 258,526.06, 387,579.90 and 116,267.15

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Solution

The fourth proportional to 258,526.06, 387,579.90 and 116,267.15 is: 174,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,526.06 : 387,579.90 = 116,267.15 : x
  2. Step 2: Convert to fraction form
    258,526.06/387,579.90 = 116,267.15/x
  3. Step 3: Cross multiply
    258,526.06x = 387,579.90 × 116,267.15
  4. Step 4: Simplify right side
    258,526.06x = 45,062,810,370.29
  5. Step 5: Solve for x
    x = 45,062,810,370.29/258,526.06
  6. Step 6: Final answer
    x = 174,306.65

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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.