Home / 130,023.90-194,817.15-111,215.70

Finding the Fourth Proportional to 130,023.90, 194,817.15 and 111,215.70

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Solution

The fourth proportional to 130,023.90, 194,817.15 and 111,215.70 is: 166,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.90 : 194,817.15 = 111,215.70 : x
  2. Step 2: Convert to fraction form
    130,023.90/194,817.15 = 111,215.70/x
  3. Step 3: Cross multiply
    130,023.90x = 194,817.15 × 111,215.70
  4. Step 4: Simplify right side
    130,023.90x = 21,666,725,709.26
  5. Step 5: Solve for x
    x = 21,666,725,709.26/130,023.90
  6. Step 6: Final answer
    x = 166,636.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.