Home / 220,114.94-330,156.27-70,315.01

Finding the Fourth Proportional to 220,114.94, 330,156.27 and 70,315.01

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Solution

The fourth proportional to 220,114.94, 330,156.27 and 70,315.01 is: 105,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,114.94 : 330,156.27 = 70,315.01 : x
  2. Step 2: Convert to fraction form
    220,114.94/330,156.27 = 70,315.01/x
  3. Step 3: Cross multiply
    220,114.94x = 330,156.27 × 70,315.01
  4. Step 4: Simplify right side
    220,114.94x = 23,214,941,426.61
  5. Step 5: Solve for x
    x = 23,214,941,426.61/220,114.94
  6. Step 6: Final answer
    x = 105,467.36

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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.