Home / 145,802.88-218,704.28-112,571.52

Finding the Fourth Proportional to 145,802.88, 218,704.28 and 112,571.52

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Solution

The fourth proportional to 145,802.88, 218,704.28 and 112,571.52 is: 168,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,802.88 : 218,704.28 = 112,571.52 : x
  2. Step 2: Convert to fraction form
    145,802.88/218,704.28 = 112,571.52/x
  3. Step 3: Cross multiply
    145,802.88x = 218,704.28 × 112,571.52
  4. Step 4: Simplify right side
    145,802.88x = 24,619,873,230.11
  5. Step 5: Solve for x
    x = 24,619,873,230.11/145,802.88
  6. Step 6: Final answer
    x = 168,857.25

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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.