Home / 447,631.52-671,447.27-148,031.65

Finding the Fourth Proportional to 447,631.52, 671,447.27 and 148,031.65

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Solution

The fourth proportional to 447,631.52, 671,447.27 and 148,031.65 is: 222,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,631.52 : 671,447.27 = 148,031.65 : x
  2. Step 2: Convert to fraction form
    447,631.52/671,447.27 = 148,031.65/x
  3. Step 3: Cross multiply
    447,631.52x = 671,447.27 × 148,031.65
  4. Step 4: Simplify right side
    447,631.52x = 99,395,448,475.48
  5. Step 5: Solve for x
    x = 99,395,448,475.48/447,631.52
  6. Step 6: Final answer
    x = 222,047.48

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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.