Home / 150,857.58-208,154.00-86,346.55

Finding the Fourth Proportional to 150,857.58, 208,154.00 and 86,346.55

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Solution

The fourth proportional to 150,857.58, 208,154.00 and 86,346.55 is: 119,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,857.58 : 208,154.00 = 86,346.55 : x
  2. Step 2: Convert to fraction form
    150,857.58/208,154.00 = 86,346.55/x
  3. Step 3: Cross multiply
    150,857.58x = 208,154.00 × 86,346.55
  4. Step 4: Simplify right side
    150,857.58x = 17,973,379,464.18
  5. Step 5: Solve for x
    x = 17,973,379,464.18/150,857.58
  6. Step 6: Final answer
    x = 119,141.37

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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.