Home / 116,885.46-161,302.67-63,170.35

Finding the Fourth Proportional to 116,885.46, 161,302.67 and 63,170.35

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Solution

The fourth proportional to 116,885.46, 161,302.67 and 63,170.35 is: 87,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885.46 : 161,302.67 = 63,170.35 : x
  2. Step 2: Convert to fraction form
    116,885.46/161,302.67 = 63,170.35/x
  3. Step 3: Cross multiply
    116,885.46x = 161,302.67 × 63,170.35
  4. Step 4: Simplify right side
    116,885.46x = 10,189,544,997.47
  5. Step 5: Solve for x
    x = 10,189,544,997.47/116,885.46
  6. Step 6: Final answer
    x = 87,175.47

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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.