Home / 217,960.22-300,728.67-127,303.60

Finding the Fourth Proportional to 217,960.22, 300,728.67 and 127,303.60

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Solution

The fourth proportional to 217,960.22, 300,728.67 and 127,303.60 is: 175,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,960.22 : 300,728.67 = 127,303.60 : x
  2. Step 2: Convert to fraction form
    217,960.22/300,728.67 = 127,303.60/x
  3. Step 3: Cross multiply
    217,960.22x = 300,728.67 × 127,303.60
  4. Step 4: Simplify right side
    217,960.22x = 38,283,842,722.99
  5. Step 5: Solve for x
    x = 38,283,842,722.99/217,960.22
  6. Step 6: Final answer
    x = 175,646.01

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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.