Home / 162,287.07-223,960.73-90,674.97

Finding the Fourth Proportional to 162,287.07, 223,960.73 and 90,674.97

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Solution

The fourth proportional to 162,287.07, 223,960.73 and 90,674.97 is: 125,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,287.07 : 223,960.73 = 90,674.97 : x
  2. Step 2: Convert to fraction form
    162,287.07/223,960.73 = 90,674.97/x
  3. Step 3: Cross multiply
    162,287.07x = 223,960.73 × 90,674.97
  4. Step 4: Simplify right side
    162,287.07x = 20,307,632,020.55
  5. Step 5: Solve for x
    x = 20,307,632,020.55/162,287.07
  6. Step 6: Final answer
    x = 125,134.01

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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.