Home / 525,789.23-788,816.69-146,709.71

Finding the Fourth Proportional to 525,789.23, 788,816.69 and 146,709.71

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Solution

The fourth proportional to 525,789.23, 788,816.69 and 146,709.71 is: 220,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,789.23 : 788,816.69 = 146,709.71 : x
  2. Step 2: Convert to fraction form
    525,789.23/788,816.69 = 146,709.71/x
  3. Step 3: Cross multiply
    525,789.23x = 788,816.69 × 146,709.71
  4. Step 4: Simplify right side
    525,789.23x = 115,727,070,171.88
  5. Step 5: Solve for x
    x = 115,727,070,171.88/525,789.23
  6. Step 6: Final answer
    x = 220,101.64

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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.