Home / 196,306.04-270,833.33-128,362.77

Finding the Fourth Proportional to 196,306.04, 270,833.33 and 128,362.77

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Solution

The fourth proportional to 196,306.04, 270,833.33 and 128,362.77 is: 177,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,306.04 : 270,833.33 = 128,362.77 : x
  2. Step 2: Convert to fraction form
    196,306.04/270,833.33 = 128,362.77/x
  3. Step 3: Cross multiply
    196,306.04x = 270,833.33 × 128,362.77
  4. Step 4: Simplify right side
    196,306.04x = 34,764,915,805.31
  5. Step 5: Solve for x
    x = 34,764,915,805.31/196,306.04
  6. Step 6: Final answer
    x = 177,095.50

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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.