Home / 258,066.08-387,225.90-116,011.70

Finding the Fourth Proportional to 258,066.08, 387,225.90 and 116,011.70

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Solution

The fourth proportional to 258,066.08, 387,225.90 and 116,011.70 is: 174,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,066.08 : 387,225.90 = 116,011.70 : x
  2. Step 2: Convert to fraction form
    258,066.08/387,225.90 = 116,011.70/x
  3. Step 3: Cross multiply
    258,066.08x = 387,225.90 × 116,011.70
  4. Step 4: Simplify right side
    258,066.08x = 44,922,733,006.90
  5. Step 5: Solve for x
    x = 44,922,733,006.90/258,066.08
  6. Step 6: Final answer
    x = 174,074.54

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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.