Home / 116,254.26-160,479.63-78,579.54

Finding the Fourth Proportional to 116,254.26, 160,479.63 and 78,579.54

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Solution

The fourth proportional to 116,254.26, 160,479.63 and 78,579.54 is: 108,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,254.26 : 160,479.63 = 78,579.54 : x
  2. Step 2: Convert to fraction form
    116,254.26/160,479.63 = 78,579.54/x
  3. Step 3: Cross multiply
    116,254.26x = 160,479.63 × 78,579.54
  4. Step 4: Simplify right side
    116,254.26x = 12,610,415,504.77
  5. Step 5: Solve for x
    x = 12,610,415,504.77/116,254.26
  6. Step 6: Final answer
    x = 108,472.72

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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.