Home / 150,548.84-207,757.06-86,886.64

Finding the Fourth Proportional to 150,548.84, 207,757.06 and 86,886.64

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Solution

The fourth proportional to 150,548.84, 207,757.06 and 86,886.64 is: 119,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,548.84 : 207,757.06 = 86,886.64 : x
  2. Step 2: Convert to fraction form
    150,548.84/207,757.06 = 86,886.64/x
  3. Step 3: Cross multiply
    150,548.84x = 207,757.06 × 86,886.64
  4. Step 4: Simplify right side
    150,548.84x = 18,051,312,879.68
  5. Step 5: Solve for x
    x = 18,051,312,879.68/150,548.84
  6. Step 6: Final answer
    x = 119,903.37

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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.