Home / 456,923.20-685,309.20-153,313.60

Finding the Fourth Proportional to 456,923.20, 685,309.20 and 153,313.60

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Solution

The fourth proportional to 456,923.20, 685,309.20 and 153,313.60 is: 229,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,923.20 : 685,309.20 = 153,313.60 : x
  2. Step 2: Convert to fraction form
    456,923.20/685,309.20 = 153,313.60/x
  3. Step 3: Cross multiply
    456,923.20x = 685,309.20 × 153,313.60
  4. Step 4: Simplify right side
    456,923.20x = 105,067,220,565.12
  5. Step 5: Solve for x
    x = 105,067,220,565.12/456,923.20
  6. Step 6: Final answer
    x = 229,945.03

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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.