Home / 161,696.10-242,671.29-112,125.03

Finding the Fourth Proportional to 161,696.10, 242,671.29 and 112,125.03

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Solution

The fourth proportional to 161,696.10, 242,671.29 and 112,125.03 is: 168,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,696.10 : 242,671.29 = 112,125.03 : x
  2. Step 2: Convert to fraction form
    161,696.10/242,671.29 = 112,125.03/x
  3. Step 3: Cross multiply
    161,696.10x = 242,671.29 × 112,125.03
  4. Step 4: Simplify right side
    161,696.10x = 27,209,525,671.39
  5. Step 5: Solve for x
    x = 27,209,525,671.39/161,696.10
  6. Step 6: Final answer
    x = 168,275.71

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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.