Home / 434,669.16-652,158-194,764.20

Finding the Fourth Proportional to 434,669.16, 652,158 and 194,764.20

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Solution

The fourth proportional to 434,669.16, 652,158 and 194,764.20 is: 292,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,669.16 : 652,158 = 194,764.20 : x
  2. Step 2: Convert to fraction form
    434,669.16/652,158 = 194,764.20/x
  3. Step 3: Cross multiply
    434,669.16x = 652,158 × 194,764.20
  4. Step 4: Simplify right side
    434,669.16x = 127,017,031,143.60
  5. Step 5: Solve for x
    x = 127,017,031,143.60/434,669.16
  6. Step 6: Final answer
    x = 292,215.42

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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.