Home / 426,155.40-588,080.34-235,168.92

Finding the Fourth Proportional to 426,155.40, 588,080.34 and 235,168.92

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Solution

The fourth proportional to 426,155.40, 588,080.34 and 235,168.92 is: 324,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,155.40 : 588,080.34 = 235,168.92 : x
  2. Step 2: Convert to fraction form
    426,155.40/588,080.34 = 235,168.92/x
  3. Step 3: Cross multiply
    426,155.40x = 588,080.34 × 235,168.92
  4. Step 4: Simplify right side
    426,155.40x = 138,298,218,431.03
  5. Step 5: Solve for x
    x = 138,298,218,431.03/426,155.40
  6. Step 6: Final answer
    x = 324,525.32

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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.