Home / 260,800.34-391,154.27-118,612.31

Finding the Fourth Proportional to 260,800.34, 391,154.27 and 118,612.31

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Solution

The fourth proportional to 260,800.34, 391,154.27 and 118,612.31 is: 177,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,800.34 : 391,154.27 = 118,612.31 : x
  2. Step 2: Convert to fraction form
    260,800.34/391,154.27 = 118,612.31/x
  3. Step 3: Cross multiply
    260,800.34x = 391,154.27 × 118,612.31
  4. Step 4: Simplify right side
    260,800.34x = 46,395,708,982.23
  5. Step 5: Solve for x
    x = 46,395,708,982.23/260,800.34
  6. Step 6: Final answer
    x = 177,897.43

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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.