Home / 260,795.48-391,193.22-142,402.23

Finding the Fourth Proportional to 260,795.48, 391,193.22 and 142,402.23

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Solution

The fourth proportional to 260,795.48, 391,193.22 and 142,402.23 is: 213,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,795.48 : 391,193.22 = 142,402.23 : x
  2. Step 2: Convert to fraction form
    260,795.48/391,193.22 = 142,402.23/x
  3. Step 3: Cross multiply
    260,795.48x = 391,193.22 × 142,402.23
  4. Step 4: Simplify right side
    260,795.48x = 55,706,786,888.88
  5. Step 5: Solve for x
    x = 55,706,786,888.88/260,795.48
  6. Step 6: Final answer
    x = 213,603.35

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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.