Home / 447,447.20-671,275.86-147,927.74

Finding the Fourth Proportional to 447,447.20, 671,275.86 and 147,927.74

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Solution

The fourth proportional to 447,447.20, 671,275.86 and 147,927.74 is: 221,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,447.20 : 671,275.86 = 147,927.74 : x
  2. Step 2: Convert to fraction form
    447,447.20/671,275.86 = 147,927.74/x
  3. Step 3: Cross multiply
    447,447.20x = 671,275.86 × 147,927.74
  4. Step 4: Simplify right side
    447,447.20x = 99,300,320,886.36
  5. Step 5: Solve for x
    x = 99,300,320,886.36/447,447.20
  6. Step 6: Final answer
    x = 221,926.34

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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.