Home / 309,615.24-464,629.98-112,623.24

Finding the Fourth Proportional to 309,615.24, 464,629.98 and 112,623.24

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Solution

The fourth proportional to 309,615.24, 464,629.98 and 112,623.24 is: 169,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,615.24 : 464,629.98 = 112,623.24 : x
  2. Step 2: Convert to fraction form
    309,615.24/464,629.98 = 112,623.24/x
  3. Step 3: Cross multiply
    309,615.24x = 464,629.98 × 112,623.24
  4. Step 4: Simplify right side
    309,615.24x = 52,328,133,748.74
  5. Step 5: Solve for x
    x = 52,328,133,748.74/309,615.24
  6. Step 6: Final answer
    x = 169,010.20

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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.