Home / 144,541.66-216,811.27-112,978.26

Finding the Fourth Proportional to 144,541.66, 216,811.27 and 112,978.26

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Solution

The fourth proportional to 144,541.66, 216,811.27 and 112,978.26 is: 169,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,541.66 : 216,811.27 = 112,978.26 : x
  2. Step 2: Convert to fraction form
    144,541.66/216,811.27 = 112,978.26/x
  3. Step 3: Cross multiply
    144,541.66x = 216,811.27 × 112,978.26
  4. Step 4: Simplify right side
    144,541.66x = 24,494,959,468.10
  5. Step 5: Solve for x
    x = 24,494,959,468.10/144,541.66
  6. Step 6: Final answer
    x = 169,466.44

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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.