Home / 229,708.72-317,022.96-134,247.52

Finding the Fourth Proportional to 229,708.72, 317,022.96 and 134,247.52

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Solution

The fourth proportional to 229,708.72, 317,022.96 and 134,247.52 is: 185,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,708.72 : 317,022.96 = 134,247.52 : x
  2. Step 2: Convert to fraction form
    229,708.72/317,022.96 = 134,247.52/x
  3. Step 3: Cross multiply
    229,708.72x = 317,022.96 × 134,247.52
  4. Step 4: Simplify right side
    229,708.72x = 42,559,546,163.06
  5. Step 5: Solve for x
    x = 42,559,546,163.06/229,708.72
  6. Step 6: Final answer
    x = 185,276.15

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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.