Home / 161,800.37-223,292.16-90,180.91

Finding the Fourth Proportional to 161,800.37, 223,292.16 and 90,180.91

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Solution

The fourth proportional to 161,800.37, 223,292.16 and 90,180.91 is: 124,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,800.37 : 223,292.16 = 90,180.91 : x
  2. Step 2: Convert to fraction form
    161,800.37/223,292.16 = 90,180.91/x
  3. Step 3: Cross multiply
    161,800.37x = 223,292.16 × 90,180.91
  4. Step 4: Simplify right side
    161,800.37x = 20,136,690,184.67
  5. Step 5: Solve for x
    x = 20,136,690,184.67/161,800.37
  6. Step 6: Final answer
    x = 124,453.92

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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.