Home / 373,631.90-515,623.41-212,510.16

Finding the Fourth Proportional to 373,631.90, 515,623.41 and 212,510.16

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Solution

The fourth proportional to 373,631.90, 515,623.41 and 212,510.16 is: 293,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,631.90 : 515,623.41 = 212,510.16 : x
  2. Step 2: Convert to fraction form
    373,631.90/515,623.41 = 212,510.16/x
  3. Step 3: Cross multiply
    373,631.90x = 515,623.41 × 212,510.16
  4. Step 4: Simplify right side
    373,631.90x = 109,575,213,358.85
  5. Step 5: Solve for x
    x = 109,575,213,358.85/373,631.90
  6. Step 6: Final answer
    x = 293,270.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.