Home / 250,457.28-345,641.76-149,835.84

Finding the Fourth Proportional to 250,457.28, 345,641.76 and 149,835.84

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Solution

The fourth proportional to 250,457.28, 345,641.76 and 149,835.84 is: 206,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,457.28 : 345,641.76 = 149,835.84 : x
  2. Step 2: Convert to fraction form
    250,457.28/345,641.76 = 149,835.84/x
  3. Step 3: Cross multiply
    250,457.28x = 345,641.76 × 149,835.84
  4. Step 4: Simplify right side
    250,457.28x = 51,789,523,448.68
  5. Step 5: Solve for x
    x = 51,789,523,448.68/250,457.28
  6. Step 6: Final answer
    x = 206,779.87

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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.