Home / 302,104.50-453,156.75-143,853.18

Finding the Fourth Proportional to 302,104.50, 453,156.75 and 143,853.18

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Solution

The fourth proportional to 302,104.50, 453,156.75 and 143,853.18 is: 215,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,104.50 : 453,156.75 = 143,853.18 : x
  2. Step 2: Convert to fraction form
    302,104.50/453,156.75 = 143,853.18/x
  3. Step 3: Cross multiply
    302,104.50x = 453,156.75 × 143,853.18
  4. Step 4: Simplify right side
    302,104.50x = 65,188,039,525.97
  5. Step 5: Solve for x
    x = 65,188,039,525.97/302,104.50
  6. Step 6: Final answer
    x = 215,779.77

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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.