Home / 525,087.60-787,631.34-151,110.60

Finding the Fourth Proportional to 525,087.60, 787,631.34 and 151,110.60

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Solution

The fourth proportional to 525,087.60, 787,631.34 and 151,110.60 is: 226,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,087.60 : 787,631.34 = 151,110.60 : x
  2. Step 2: Convert to fraction form
    525,087.60/787,631.34 = 151,110.60/x
  3. Step 3: Cross multiply
    525,087.60x = 787,631.34 × 151,110.60
  4. Step 4: Simplify right side
    525,087.60x = 119,019,444,366.20
  5. Step 5: Solve for x
    x = 119,019,444,366.20/525,087.60
  6. Step 6: Final answer
    x = 226,665.88

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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.