Home / 122,953.14-168,569.40-120,711.47

Finding the Fourth Proportional to 122,953.14, 168,569.40 and 120,711.47

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Solution

The fourth proportional to 122,953.14, 168,569.40 and 120,711.47 is: 165,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,953.14 : 168,569.40 = 120,711.47 : x
  2. Step 2: Convert to fraction form
    122,953.14/168,569.40 = 120,711.47/x
  3. Step 3: Cross multiply
    122,953.14x = 168,569.40 × 120,711.47
  4. Step 4: Simplify right side
    122,953.14x = 20,348,259,680.84
  5. Step 5: Solve for x
    x = 20,348,259,680.84/122,953.14
  6. Step 6: Final answer
    x = 165,496.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.