Home / 161,803.68-223,282.86-90,180.24

Finding the Fourth Proportional to 161,803.68, 223,282.86 and 90,180.24

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Solution

The fourth proportional to 161,803.68, 223,282.86 and 90,180.24 is: 124,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803.68 : 223,282.86 = 90,180.24 : x
  2. Step 2: Convert to fraction form
    161,803.68/223,282.86 = 90,180.24/x
  3. Step 3: Cross multiply
    161,803.68x = 223,282.86 × 90,180.24
  4. Step 4: Simplify right side
    161,803.68x = 20,135,701,902.69
  5. Step 5: Solve for x
    x = 20,135,701,902.69/161,803.68
  6. Step 6: Final answer
    x = 124,445.27

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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.