Home / 147,591.96-221,452.98-77,454.36

Finding the Fourth Proportional to 147,591.96, 221,452.98 and 77,454.36

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Solution

The fourth proportional to 147,591.96, 221,452.98 and 77,454.36 is: 116,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,591.96 : 221,452.98 = 77,454.36 : x
  2. Step 2: Convert to fraction form
    147,591.96/221,452.98 = 77,454.36/x
  3. Step 3: Cross multiply
    147,591.96x = 221,452.98 × 77,454.36
  4. Step 4: Simplify right side
    147,591.96x = 17,152,498,835.99
  5. Step 5: Solve for x
    x = 17,152,498,835.99/147,591.96
  6. Step 6: Final answer
    x = 116,215.67

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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.