Home / 179,813.76-248,143.51-98,142.76

Finding the Fourth Proportional to 179,813.76, 248,143.51 and 98,142.76

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Solution

The fourth proportional to 179,813.76, 248,143.51 and 98,142.76 is: 135,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,813.76 : 248,143.51 = 98,142.76 : x
  2. Step 2: Convert to fraction form
    179,813.76/248,143.51 = 98,142.76/x
  3. Step 3: Cross multiply
    179,813.76x = 248,143.51 × 98,142.76
  4. Step 4: Simplify right side
    179,813.76x = 24,353,489,567.85
  5. Step 5: Solve for x
    x = 24,353,489,567.85/179,813.76
  6. Step 6: Final answer
    x = 135,437.29

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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.