Home / 296,681.28-445,017.84-72,043.44

Finding the Fourth Proportional to 296,681.28, 445,017.84 and 72,043.44

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Solution

The fourth proportional to 296,681.28, 445,017.84 and 72,043.44 is: 108,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,681.28 : 445,017.84 = 72,043.44 : x
  2. Step 2: Convert to fraction form
    296,681.28/445,017.84 = 72,043.44/x
  3. Step 3: Cross multiply
    296,681.28x = 445,017.84 × 72,043.44
  4. Step 4: Simplify right side
    296,681.28x = 32,060,616,054.97
  5. Step 5: Solve for x
    x = 32,060,616,054.97/296,681.28
  6. Step 6: Final answer
    x = 108,064.17

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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.