Home / 163,889.07-245,789.82-45,566.91

Finding the Fourth Proportional to 163,889.07, 245,789.82 and 45,566.91

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Solution

The fourth proportional to 163,889.07, 245,789.82 and 45,566.91 is: 68,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,889.07 : 245,789.82 = 45,566.91 : x
  2. Step 2: Convert to fraction form
    163,889.07/245,789.82 = 45,566.91/x
  3. Step 3: Cross multiply
    163,889.07x = 245,789.82 × 45,566.91
  4. Step 4: Simplify right side
    163,889.07x = 11,199,882,606.86
  5. Step 5: Solve for x
    x = 11,199,882,606.86/163,889.07
  6. Step 6: Final answer
    x = 68,338.19

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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.