Home / 161,813.34-223,303.44-90,197.88

Finding the Fourth Proportional to 161,813.34, 223,303.44 and 90,197.88

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Solution

The fourth proportional to 161,813.34, 223,303.44 and 90,197.88 is: 124,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813.34 : 223,303.44 = 90,197.88 : x
  2. Step 2: Convert to fraction form
    161,813.34/223,303.44 = 90,197.88/x
  3. Step 3: Cross multiply
    161,813.34x = 223,303.44 × 90,197.88
  4. Step 4: Simplify right side
    161,813.34x = 20,141,496,884.71
  5. Step 5: Solve for x
    x = 20,141,496,884.71/161,813.34
  6. Step 6: Final answer
    x = 124,473.65

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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.