Home / 152,243.60-228,345.24-69,118.48

Finding the Fourth Proportional to 152,243.60, 228,345.24 and 69,118.48

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Solution

The fourth proportional to 152,243.60, 228,345.24 and 69,118.48 is: 103,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243.60 : 228,345.24 = 69,118.48 : x
  2. Step 2: Convert to fraction form
    152,243.60/228,345.24 = 69,118.48/x
  3. Step 3: Cross multiply
    152,243.60x = 228,345.24 × 69,118.48
  4. Step 4: Simplify right side
    152,243.60x = 15,782,875,904.04
  5. Step 5: Solve for x
    x = 15,782,875,904.04/152,243.60
  6. Step 6: Final answer
    x = 103,668.57

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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.