Home / 433,770.12-650,581.38-118,153.20

Finding the Fourth Proportional to 433,770.12, 650,581.38 and 118,153.20

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Solution

The fourth proportional to 433,770.12, 650,581.38 and 118,153.20 is: 177,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,770.12 : 650,581.38 = 118,153.20 : x
  2. Step 2: Convert to fraction form
    433,770.12/650,581.38 = 118,153.20/x
  3. Step 3: Cross multiply
    433,770.12x = 650,581.38 × 118,153.20
  4. Step 4: Simplify right side
    433,770.12x = 76,868,271,907.42
  5. Step 5: Solve for x
    x = 76,868,271,907.42/433,770.12
  6. Step 6: Final answer
    x = 177,209.70

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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.