Home / 447,415.51-671,026.07-147,825.13

Finding the Fourth Proportional to 447,415.51, 671,026.07 and 147,825.13

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Solution

The fourth proportional to 447,415.51, 671,026.07 and 147,825.13 is: 221,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,415.51 : 671,026.07 = 147,825.13 : x
  2. Step 2: Convert to fraction form
    447,415.51/671,026.07 = 147,825.13/x
  3. Step 3: Cross multiply
    447,415.51x = 671,026.07 × 147,825.13
  4. Step 4: Simplify right side
    447,415.51x = 99,194,515,292.01
  5. Step 5: Solve for x
    x = 99,194,515,292.01/447,415.51
  6. Step 6: Final answer
    x = 221,705.58

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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.