Home / 163,899.50-245,789.91-57,253.68

Finding the Fourth Proportional to 163,899.50, 245,789.91 and 57,253.68

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Solution

The fourth proportional to 163,899.50, 245,789.91 and 57,253.68 is: 85,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,899.50 : 245,789.91 = 57,253.68 : x
  2. Step 2: Convert to fraction form
    163,899.50/245,789.91 = 57,253.68/x
  3. Step 3: Cross multiply
    163,899.50x = 245,789.91 × 57,253.68
  4. Step 4: Simplify right side
    163,899.50x = 14,072,376,854.37
  5. Step 5: Solve for x
    x = 14,072,376,854.37/163,899.50
  6. Step 6: Final answer
    x = 85,859.79

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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.