Home / 185,519.87-256,017.50-104,945.67

Finding the Fourth Proportional to 185,519.87, 256,017.50 and 104,945.67

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Solution

The fourth proportional to 185,519.87, 256,017.50 and 104,945.67 is: 144,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,519.87 : 256,017.50 = 104,945.67 : x
  2. Step 2: Convert to fraction form
    185,519.87/256,017.50 = 104,945.67/x
  3. Step 3: Cross multiply
    185,519.87x = 256,017.50 × 104,945.67
  4. Step 4: Simplify right side
    185,519.87x = 26,867,928,069.23
  5. Step 5: Solve for x
    x = 26,867,928,069.23/185,519.87
  6. Step 6: Final answer
    x = 144,825.07

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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.