Home / 113,159.33-156,157.37-61,475.09

Finding the Fourth Proportional to 113,159.33, 156,157.37 and 61,475.09

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Solution

The fourth proportional to 113,159.33, 156,157.37 and 61,475.09 is: 84,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,159.33 : 156,157.37 = 61,475.09 : x
  2. Step 2: Convert to fraction form
    113,159.33/156,157.37 = 61,475.09/x
  3. Step 3: Cross multiply
    113,159.33x = 156,157.37 × 61,475.09
  4. Step 4: Simplify right side
    113,159.33x = 9,599,788,884.69
  5. Step 5: Solve for x
    x = 9,599,788,884.69/113,159.33
  6. Step 6: Final answer
    x = 84,834.27

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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.