Home / 229,977.63-317,416.32-134,507.79

Finding the Fourth Proportional to 229,977.63, 317,416.32 and 134,507.79

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Solution

The fourth proportional to 229,977.63, 317,416.32 and 134,507.79 is: 185,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,977.63 : 317,416.32 = 134,507.79 : x
  2. Step 2: Convert to fraction form
    229,977.63/317,416.32 = 134,507.79/x
  3. Step 3: Cross multiply
    229,977.63x = 317,416.32 × 134,507.79
  4. Step 4: Simplify right side
    229,977.63x = 42,694,967,713.13
  5. Step 5: Solve for x
    x = 42,694,967,713.13/229,977.63
  6. Step 6: Final answer
    x = 185,648.35

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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.