Home / 153,165.10-229,747.64-47,984.07

Finding the Fourth Proportional to 153,165.10, 229,747.64 and 47,984.07

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Solution

The fourth proportional to 153,165.10, 229,747.64 and 47,984.07 is: 71,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,165.10 : 229,747.64 = 47,984.07 : x
  2. Step 2: Convert to fraction form
    153,165.10/229,747.64 = 47,984.07/x
  3. Step 3: Cross multiply
    153,165.10x = 229,747.64 × 47,984.07
  4. Step 4: Simplify right side
    153,165.10x = 11,024,226,840.09
  5. Step 5: Solve for x
    x = 11,024,226,840.09/153,165.10
  6. Step 6: Final answer
    x = 71,976.10

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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.