Home / 218,964.64-302,253.08-170,470.48

Finding the Fourth Proportional to 218,964.64, 302,253.08 and 170,470.48

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Solution

The fourth proportional to 218,964.64, 302,253.08 and 170,470.48 is: 235,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,964.64 : 302,253.08 = 170,470.48 : x
  2. Step 2: Convert to fraction form
    218,964.64/302,253.08 = 170,470.48/x
  3. Step 3: Cross multiply
    218,964.64x = 302,253.08 × 170,470.48
  4. Step 4: Simplify right side
    218,964.64x = 51,525,227,629.08
  5. Step 5: Solve for x
    x = 51,525,227,629.08/218,964.64
  6. Step 6: Final answer
    x = 235,313.01

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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.