Home / 205,530.93-283,630.55-120,631.59

Finding the Fourth Proportional to 205,530.93, 283,630.55 and 120,631.59

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Solution

The fourth proportional to 205,530.93, 283,630.55 and 120,631.59 is: 166,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,530.93 : 283,630.55 = 120,631.59 : x
  2. Step 2: Convert to fraction form
    205,530.93/283,630.55 = 120,631.59/x
  3. Step 3: Cross multiply
    205,530.93x = 283,630.55 × 120,631.59
  4. Step 4: Simplify right side
    205,530.93x = 34,214,803,615.92
  5. Step 5: Solve for x
    x = 34,214,803,615.92/205,530.93
  6. Step 6: Final answer
    x = 166,470.34

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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.