Home / 268,036.09-369,873.01-147,176.80

Finding the Fourth Proportional to 268,036.09, 369,873.01 and 147,176.80

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Solution

The fourth proportional to 268,036.09, 369,873.01 and 147,176.80 is: 203,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,036.09 : 369,873.01 = 147,176.80 : x
  2. Step 2: Convert to fraction form
    268,036.09/369,873.01 = 147,176.80/x
  3. Step 3: Cross multiply
    268,036.09x = 369,873.01 × 147,176.80
  4. Step 4: Simplify right side
    268,036.09x = 54,436,726,018.17
  5. Step 5: Solve for x
    x = 54,436,726,018.17/268,036.09
  6. Step 6: Final answer
    x = 203,094.76

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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.