Home / 243,331.36-364,286.77-162,368.62

Finding the Fourth Proportional to 243,331.36, 364,286.77 and 162,368.62

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Solution

The fourth proportional to 243,331.36, 364,286.77 and 162,368.62 is: 243,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,331.36 : 364,286.77 = 162,368.62 : x
  2. Step 2: Convert to fraction form
    243,331.36/364,286.77 = 162,368.62/x
  3. Step 3: Cross multiply
    243,331.36x = 364,286.77 × 162,368.62
  4. Step 4: Simplify right side
    243,331.36x = 59,148,738,812.52
  5. Step 5: Solve for x
    x = 59,148,738,812.52/243,331.36
  6. Step 6: Final answer
    x = 243,078.98

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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.