Home / 217,495.80-326,150.45-117,628.88

Finding the Fourth Proportional to 217,495.80, 326,150.45 and 117,628.88

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Solution

The fourth proportional to 217,495.80, 326,150.45 and 117,628.88 is: 176,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,495.80 : 326,150.45 = 117,628.88 : x
  2. Step 2: Convert to fraction form
    217,495.80/326,150.45 = 117,628.88/x
  3. Step 3: Cross multiply
    217,495.80x = 326,150.45 × 117,628.88
  4. Step 4: Simplify right side
    217,495.80x = 38,364,710,367.21
  5. Step 5: Solve for x
    x = 38,364,710,367.21/217,495.80
  6. Step 6: Final answer
    x = 176,392.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.