Home / 150,364.33-225,475.86-87,202.40

Finding the Fourth Proportional to 150,364.33, 225,475.86 and 87,202.40

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Solution

The fourth proportional to 150,364.33, 225,475.86 and 87,202.40 is: 130,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,364.33 : 225,475.86 = 87,202.40 : x
  2. Step 2: Convert to fraction form
    150,364.33/225,475.86 = 87,202.40/x
  3. Step 3: Cross multiply
    150,364.33x = 225,475.86 × 87,202.40
  4. Step 4: Simplify right side
    150,364.33x = 19,662,036,134.06
  5. Step 5: Solve for x
    x = 19,662,036,134.06/150,364.33
  6. Step 6: Final answer
    x = 130,762.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.