Home / 295,191.18-442,786.50-126,602.64

Finding the Fourth Proportional to 295,191.18, 442,786.50 and 126,602.64

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Solution

The fourth proportional to 295,191.18, 442,786.50 and 126,602.64 is: 189,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,191.18 : 442,786.50 = 126,602.64 : x
  2. Step 2: Convert to fraction form
    295,191.18/442,786.50 = 126,602.64/x
  3. Step 3: Cross multiply
    295,191.18x = 442,786.50 × 126,602.64
  4. Step 4: Simplify right side
    295,191.18x = 56,057,939,856.36
  5. Step 5: Solve for x
    x = 56,057,939,856.36/295,191.18
  6. Step 6: Final answer
    x = 189,903.84

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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.