Home / 290,816.04-401,347.26-177,660.12

Finding the Fourth Proportional to 290,816.04, 401,347.26 and 177,660.12

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Solution

The fourth proportional to 290,816.04, 401,347.26 and 177,660.12 is: 245,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,816.04 : 401,347.26 = 177,660.12 : x
  2. Step 2: Convert to fraction form
    290,816.04/401,347.26 = 177,660.12/x
  3. Step 3: Cross multiply
    290,816.04x = 401,347.26 × 177,660.12
  4. Step 4: Simplify right side
    290,816.04x = 71,303,402,373.27
  5. Step 5: Solve for x
    x = 71,303,402,373.27/290,816.04
  6. Step 6: Final answer
    x = 245,183.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.