Home / 161,632.83-223,037.34-90,019.52

Finding the Fourth Proportional to 161,632.83, 223,037.34 and 90,019.52

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Solution

The fourth proportional to 161,632.83, 223,037.34 and 90,019.52 is: 124,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,632.83 : 223,037.34 = 90,019.52 : x
  2. Step 2: Convert to fraction form
    161,632.83/223,037.34 = 90,019.52/x
  3. Step 3: Cross multiply
    161,632.83x = 223,037.34 × 90,019.52
  4. Step 4: Simplify right side
    161,632.83x = 20,077,714,288.88
  5. Step 5: Solve for x
    x = 20,077,714,288.88/161,632.83
  6. Step 6: Final answer
    x = 124,218.05

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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.