Home / 144,615.16-199,428.72-112,772.44

Finding the Fourth Proportional to 144,615.16, 199,428.72 and 112,772.44

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Solution

The fourth proportional to 144,615.16, 199,428.72 and 112,772.44 is: 155,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,615.16 : 199,428.72 = 112,772.44 : x
  2. Step 2: Convert to fraction form
    144,615.16/199,428.72 = 112,772.44/x
  3. Step 3: Cross multiply
    144,615.16x = 199,428.72 × 112,772.44
  4. Step 4: Simplify right side
    144,615.16x = 22,490,063,360.48
  5. Step 5: Solve for x
    x = 22,490,063,360.48/144,615.16
  6. Step 6: Final answer
    x = 155,516.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.