Home / 268,301.87-370,036.86-166,256.45

Finding the Fourth Proportional to 268,301.87, 370,036.86 and 166,256.45

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Solution

The fourth proportional to 268,301.87, 370,036.86 and 166,256.45 is: 229,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,301.87 : 370,036.86 = 166,256.45 : x
  2. Step 2: Convert to fraction form
    268,301.87/370,036.86 = 166,256.45/x
  3. Step 3: Cross multiply
    268,301.87x = 370,036.86 × 166,256.45
  4. Step 4: Simplify right side
    268,301.87x = 61,521,014,712.75
  5. Step 5: Solve for x
    x = 61,521,014,712.75/268,301.87
  6. Step 6: Final answer
    x = 229,297.75

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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.