Home / 433,938.60-650,616.30-197,159.40

Finding the Fourth Proportional to 433,938.60, 650,616.30 and 197,159.40

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Solution

The fourth proportional to 433,938.60, 650,616.30 and 197,159.40 is: 295,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,938.60 : 650,616.30 = 197,159.40 : x
  2. Step 2: Convert to fraction form
    433,938.60/650,616.30 = 197,159.40/x
  3. Step 3: Cross multiply
    433,938.60x = 650,616.30 × 197,159.40
  4. Step 4: Simplify right side
    433,938.60x = 128,275,119,338.22
  5. Step 5: Solve for x
    x = 128,275,119,338.22/433,938.60
  6. Step 6: Final answer
    x = 295,606.61

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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.