Home / 340,489.18-469,870.50-189,586.18

Finding the Fourth Proportional to 340,489.18, 469,870.50 and 189,586.18

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Solution

The fourth proportional to 340,489.18, 469,870.50 and 189,586.18 is: 261,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,489.18 : 469,870.50 = 189,586.18 : x
  2. Step 2: Convert to fraction form
    340,489.18/469,870.50 = 189,586.18/x
  3. Step 3: Cross multiply
    340,489.18x = 469,870.50 × 189,586.18
  4. Step 4: Simplify right side
    340,489.18x = 89,080,953,189.69
  5. Step 5: Solve for x
    x = 89,080,953,189.69/340,489.18
  6. Step 6: Final answer
    x = 261,626.38

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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.