Home / 114,271.04-171,435.73-72,448.31

Finding the Fourth Proportional to 114,271.04, 171,435.73 and 72,448.31

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Solution

The fourth proportional to 114,271.04, 171,435.73 and 72,448.31 is: 108,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,271.04 : 171,435.73 = 72,448.31 : x
  2. Step 2: Convert to fraction form
    114,271.04/171,435.73 = 72,448.31/x
  3. Step 3: Cross multiply
    114,271.04x = 171,435.73 × 72,448.31
  4. Step 4: Simplify right side
    114,271.04x = 12,420,229,159.58
  5. Step 5: Solve for x
    x = 12,420,229,159.58/114,271.04
  6. Step 6: Final answer
    x = 108,690.96

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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.