Home / 116,885.58-161,302.84-63,170.47

Finding the Fourth Proportional to 116,885.58, 161,302.84 and 63,170.47

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Solution

The fourth proportional to 116,885.58, 161,302.84 and 63,170.47 is: 87,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885.58 : 161,302.84 = 63,170.47 : x
  2. Step 2: Convert to fraction form
    116,885.58/161,302.84 = 63,170.47/x
  3. Step 3: Cross multiply
    116,885.58x = 161,302.84 × 63,170.47
  4. Step 4: Simplify right side
    116,885.58x = 10,189,576,373.06
  5. Step 5: Solve for x
    x = 10,189,576,373.06/116,885.58
  6. Step 6: Final answer
    x = 87,175.65

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1.5x scale

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.