Home / 179,107.12-247,333.80-115,554.16

Finding the Fourth Proportional to 179,107.12, 247,333.80 and 115,554.16

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Solution

The fourth proportional to 179,107.12, 247,333.80 and 115,554.16 is: 159,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,107.12 : 247,333.80 = 115,554.16 : x
  2. Step 2: Convert to fraction form
    179,107.12/247,333.80 = 115,554.16/x
  3. Step 3: Cross multiply
    179,107.12x = 247,333.80 × 115,554.16
  4. Step 4: Simplify right side
    179,107.12x = 28,580,449,498.61
  5. Step 5: Solve for x
    x = 28,580,449,498.61/179,107.12
  6. Step 6: Final answer
    x = 159,571.82

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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.