Home / 163,569.76-225,897.62-112,714.72

Finding the Fourth Proportional to 163,569.76, 225,897.62 and 112,714.72

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Solution

The fourth proportional to 163,569.76, 225,897.62 and 112,714.72 is: 155,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,569.76 : 225,897.62 = 112,714.72 : x
  2. Step 2: Convert to fraction form
    163,569.76/225,897.62 = 112,714.72/x
  3. Step 3: Cross multiply
    163,569.76x = 225,897.62 × 112,714.72
  4. Step 4: Simplify right side
    163,569.76x = 25,461,986,986.97
  5. Step 5: Solve for x
    x = 25,461,986,986.97/163,569.76
  6. Step 6: Final answer
    x = 155,664.39

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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.