Home / 525,845.60-788,768.40-146,765.60

Finding the Fourth Proportional to 525,845.60, 788,768.40 and 146,765.60

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Solution

The fourth proportional to 525,845.60, 788,768.40 and 146,765.60 is: 220,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,845.60 : 788,768.40 = 146,765.60 : x
  2. Step 2: Convert to fraction form
    525,845.60/788,768.40 = 146,765.60/x
  3. Step 3: Cross multiply
    525,845.60x = 788,768.40 × 146,765.60
  4. Step 4: Simplify right side
    525,845.60x = 115,764,067,487.04
  5. Step 5: Solve for x
    x = 115,764,067,487.04/525,845.60
  6. Step 6: Final answer
    x = 220,148.40

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1.5x scale

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.