Home / 116,874.90-161,302.23-76,622.58

Finding the Fourth Proportional to 116,874.90, 161,302.23 and 76,622.58

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Solution

The fourth proportional to 116,874.90, 161,302.23 and 76,622.58 is: 105,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,874.90 : 161,302.23 = 76,622.58 : x
  2. Step 2: Convert to fraction form
    116,874.90/161,302.23 = 76,622.58/x
  3. Step 3: Cross multiply
    116,874.90x = 161,302.23 × 76,622.58
  4. Step 4: Simplify right side
    116,874.90x = 12,359,393,022.35
  5. Step 5: Solve for x
    x = 12,359,393,022.35/116,874.90
  6. Step 6: Final answer
    x = 105,748.91

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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.