Home / 163,865.39-245,856.94-57,264.80

Finding the Fourth Proportional to 163,865.39, 245,856.94 and 57,264.80

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Solution

The fourth proportional to 163,865.39, 245,856.94 and 57,264.80 is: 85,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,865.39 : 245,856.94 = 57,264.80 : x
  2. Step 2: Convert to fraction form
    163,865.39/245,856.94 = 57,264.80/x
  3. Step 3: Cross multiply
    163,865.39x = 245,856.94 × 57,264.80
  4. Step 4: Simplify right side
    163,865.39x = 14,078,947,125.27
  5. Step 5: Solve for x
    x = 14,078,947,125.27/163,865.39
  6. Step 6: Final answer
    x = 85,917.76

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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.