Home / 289,150.57-433,829.58-129,213.10

Finding the Fourth Proportional to 289,150.57, 433,829.58 and 129,213.10

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Solution

The fourth proportional to 289,150.57, 433,829.58 and 129,213.10 is: 193,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,150.57 : 433,829.58 = 129,213.10 : x
  2. Step 2: Convert to fraction form
    289,150.57/433,829.58 = 129,213.10/x
  3. Step 3: Cross multiply
    289,150.57x = 433,829.58 × 129,213.10
  4. Step 4: Simplify right side
    289,150.57x = 56,056,464,903.50
  5. Step 5: Solve for x
    x = 56,056,464,903.50/289,150.57
  6. Step 6: Final answer
    x = 193,866.00

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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.