Home / 344,739.60-517,109.40-256,166.10

Finding the Fourth Proportional to 344,739.60, 517,109.40 and 256,166.10

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Solution

The fourth proportional to 344,739.60, 517,109.40 and 256,166.10 is: 384,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,739.60 : 517,109.40 = 256,166.10 : x
  2. Step 2: Convert to fraction form
    344,739.60/517,109.40 = 256,166.10/x
  3. Step 3: Cross multiply
    344,739.60x = 517,109.40 × 256,166.10
  4. Step 4: Simplify right side
    344,739.60x = 132,465,898,271.34
  5. Step 5: Solve for x
    x = 132,465,898,271.34/344,739.60
  6. Step 6: Final answer
    x = 384,249.15

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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.