Home / 159,815.16-238,412.86-155,471.23

Finding the Fourth Proportional to 159,815.16, 238,412.86 and 155,471.23

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Solution

The fourth proportional to 159,815.16, 238,412.86 and 155,471.23 is: 231,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.16 : 238,412.86 = 155,471.23 : x
  2. Step 2: Convert to fraction form
    159,815.16/238,412.86 = 155,471.23/x
  3. Step 3: Cross multiply
    159,815.16x = 238,412.86 × 155,471.23
  4. Step 4: Simplify right side
    159,815.16x = 37,066,339,607.31
  5. Step 5: Solve for x
    x = 37,066,339,607.31/159,815.16
  6. Step 6: Final answer
    x = 231,932.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.