Home / 191,040.30-263,638.34-105,007.24

Finding the Fourth Proportional to 191,040.30, 263,638.34 and 105,007.24

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Solution

The fourth proportional to 191,040.30, 263,638.34 and 105,007.24 is: 144,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,040.30 : 263,638.34 = 105,007.24 : x
  2. Step 2: Convert to fraction form
    191,040.30/263,638.34 = 105,007.24/x
  3. Step 3: Cross multiply
    191,040.30x = 263,638.34 × 105,007.24
  4. Step 4: Simplify right side
    191,040.30x = 27,683,933,747.57
  5. Step 5: Solve for x
    x = 27,683,933,747.57/191,040.30
  6. Step 6: Final answer
    x = 144,911.49

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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.