Home / 213,077.59-294,037.08-122,369.60

Finding the Fourth Proportional to 213,077.59, 294,037.08 and 122,369.60

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Solution

The fourth proportional to 213,077.59, 294,037.08 and 122,369.60 is: 168,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,077.59 : 294,037.08 = 122,369.60 : x
  2. Step 2: Convert to fraction form
    213,077.59/294,037.08 = 122,369.60/x
  3. Step 3: Cross multiply
    213,077.59x = 294,037.08 × 122,369.60
  4. Step 4: Simplify right side
    213,077.59x = 35,981,199,864.77
  5. Step 5: Solve for x
    x = 35,981,199,864.77/213,077.59
  6. Step 6: Final answer
    x = 168,864.31

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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.