Home / 260,778.72-359,875.80-147,623.34

Finding the Fourth Proportional to 260,778.72, 359,875.80 and 147,623.34

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Solution

The fourth proportional to 260,778.72, 359,875.80 and 147,623.34 is: 203,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,778.72 : 359,875.80 = 147,623.34 : x
  2. Step 2: Convert to fraction form
    260,778.72/359,875.80 = 147,623.34/x
  3. Step 3: Cross multiply
    260,778.72x = 359,875.80 × 147,623.34
  4. Step 4: Simplify right side
    260,778.72x = 53,126,067,581.17
  5. Step 5: Solve for x
    x = 53,126,067,581.17/260,778.72
  6. Step 6: Final answer
    x = 203,720.87

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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.