Home / 289,529.53-434,352.35-99,996.85

Finding the Fourth Proportional to 289,529.53, 434,352.35 and 99,996.85

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Solution

The fourth proportional to 289,529.53, 434,352.35 and 99,996.85 is: 150,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,529.53 : 434,352.35 = 99,996.85 : x
  2. Step 2: Convert to fraction form
    289,529.53/434,352.35 = 99,996.85/x
  3. Step 3: Cross multiply
    289,529.53x = 434,352.35 × 99,996.85
  4. Step 4: Simplify right side
    289,529.53x = 43,433,866,290.11
  5. Step 5: Solve for x
    x = 43,433,866,290.11/289,529.53
  6. Step 6: Final answer
    x = 150,015.32

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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.