Home / 230,240.04-317,726.48-128,265.36

Finding the Fourth Proportional to 230,240.04, 317,726.48 and 128,265.36

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Solution

The fourth proportional to 230,240.04, 317,726.48 and 128,265.36 is: 177,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,240.04 : 317,726.48 = 128,265.36 : x
  2. Step 2: Convert to fraction form
    230,240.04/317,726.48 = 128,265.36/x
  3. Step 3: Cross multiply
    230,240.04x = 317,726.48 × 128,265.36
  4. Step 4: Simplify right side
    230,240.04x = 40,753,301,338.73
  5. Step 5: Solve for x
    x = 40,753,301,338.73/230,240.04
  6. Step 6: Final answer
    x = 177,003.54

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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.