Home / 205,860.06-308,746.80-58,081.50

Finding the Fourth Proportional to 205,860.06, 308,746.80 and 58,081.50

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Solution

The fourth proportional to 205,860.06, 308,746.80 and 58,081.50 is: 87,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,860.06 : 308,746.80 = 58,081.50 : x
  2. Step 2: Convert to fraction form
    205,860.06/308,746.80 = 58,081.50/x
  3. Step 3: Cross multiply
    205,860.06x = 308,746.80 × 58,081.50
  4. Step 4: Simplify right side
    205,860.06x = 17,932,477,264.20
  5. Step 5: Solve for x
    x = 17,932,477,264.20/205,860.06
  6. Step 6: Final answer
    x = 87,110.04

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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.