Home / 120,472.24-180,717.23-31,725.13

Finding the Fourth Proportional to 120,472.24, 180,717.23 and 31,725.13

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Solution

The fourth proportional to 120,472.24, 180,717.23 and 31,725.13 is: 47,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,472.24 : 180,717.23 = 31,725.13 : x
  2. Step 2: Convert to fraction form
    120,472.24/180,717.23 = 31,725.13/x
  3. Step 3: Cross multiply
    120,472.24x = 180,717.23 × 31,725.13
  4. Step 4: Simplify right side
    120,472.24x = 5,733,277,614.99
  5. Step 5: Solve for x
    x = 5,733,277,614.99/120,472.24
  6. Step 6: Final answer
    x = 47,590.03

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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.