Home / 230,054.25-317,466.57-128,077.09

Finding the Fourth Proportional to 230,054.25, 317,466.57 and 128,077.09

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Solution

The fourth proportional to 230,054.25, 317,466.57 and 128,077.09 is: 176,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,054.25 : 317,466.57 = 128,077.09 : x
  2. Step 2: Convert to fraction form
    230,054.25/317,466.57 = 128,077.09/x
  3. Step 3: Cross multiply
    230,054.25x = 317,466.57 × 128,077.09
  4. Step 4: Simplify right side
    230,054.25x = 40,660,193,817.50
  5. Step 5: Solve for x
    x = 40,660,193,817.50/230,054.25
  6. Step 6: Final answer
    x = 176,741.76

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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.