Home / 161,793.51-223,282.65-90,174.03

Finding the Fourth Proportional to 161,793.51, 223,282.65 and 90,174.03

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Solution

The fourth proportional to 161,793.51, 223,282.65 and 90,174.03 is: 124,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,793.51 : 223,282.65 = 90,174.03 : x
  2. Step 2: Convert to fraction form
    161,793.51/223,282.65 = 90,174.03/x
  3. Step 3: Cross multiply
    161,793.51x = 223,282.65 × 90,174.03
  4. Step 4: Simplify right side
    161,793.51x = 20,134,296,379.58
  5. Step 5: Solve for x
    x = 20,134,296,379.58/161,793.51
  6. Step 6: Final answer
    x = 124,444.40

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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.