Home / 150,548.34-207,756.38-86,886.14

Finding the Fourth Proportional to 150,548.34, 207,756.38 and 86,886.14

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Solution

The fourth proportional to 150,548.34, 207,756.38 and 86,886.14 is: 119,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,548.34 : 207,756.38 = 86,886.14 : x
  2. Step 2: Convert to fraction form
    150,548.34/207,756.38 = 86,886.14/x
  3. Step 3: Cross multiply
    150,548.34x = 207,756.38 × 86,886.14
  4. Step 4: Simplify right side
    150,548.34x = 18,051,149,918.57
  5. Step 5: Solve for x
    x = 18,051,149,918.57/150,548.34
  6. Step 6: Final answer
    x = 119,902.68

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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.