Home / 353,977.16-531,042.63-129,337.26

Finding the Fourth Proportional to 353,977.16, 531,042.63 and 129,337.26

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Solution

The fourth proportional to 353,977.16, 531,042.63 and 129,337.26 is: 194,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,977.16 : 531,042.63 = 129,337.26 : x
  2. Step 2: Convert to fraction form
    353,977.16/531,042.63 = 129,337.26/x
  3. Step 3: Cross multiply
    353,977.16x = 531,042.63 × 129,337.26
  4. Step 4: Simplify right side
    353,977.16x = 68,683,596,958.49
  5. Step 5: Solve for x
    x = 68,683,596,958.49/353,977.16
  6. Step 6: Final answer
    x = 194,033.98

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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.