Home / 207,187.05-285,915.23-116,543.02

Finding the Fourth Proportional to 207,187.05, 285,915.23 and 116,543.02

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Solution

The fourth proportional to 207,187.05, 285,915.23 and 116,543.02 is: 160,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,187.05 : 285,915.23 = 116,543.02 : x
  2. Step 2: Convert to fraction form
    207,187.05/285,915.23 = 116,543.02/x
  3. Step 3: Cross multiply
    207,187.05x = 285,915.23 × 116,543.02
  4. Step 4: Simplify right side
    207,187.05x = 33,321,423,944.76
  5. Step 5: Solve for x
    x = 33,321,423,944.76/207,187.05
  6. Step 6: Final answer
    x = 160,827.73

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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.