Home / 153,076.32-229,718.97-53,235.54

Finding the Fourth Proportional to 153,076.32, 229,718.97 and 53,235.54

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Solution

The fourth proportional to 153,076.32, 229,718.97 and 53,235.54 is: 79,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,076.32 : 229,718.97 = 53,235.54 : x
  2. Step 2: Convert to fraction form
    153,076.32/229,718.97 = 53,235.54/x
  3. Step 3: Cross multiply
    153,076.32x = 229,718.97 × 53,235.54
  4. Step 4: Simplify right side
    153,076.32x = 12,229,213,416.19
  5. Step 5: Solve for x
    x = 12,229,213,416.19/153,076.32
  6. Step 6: Final answer
    x = 79,889.65

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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.