Home / 161,654.21-223,089.69-90,034.23

Finding the Fourth Proportional to 161,654.21, 223,089.69 and 90,034.23

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Solution

The fourth proportional to 161,654.21, 223,089.69 and 90,034.23 is: 124,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654.21 : 223,089.69 = 90,034.23 : x
  2. Step 2: Convert to fraction form
    161,654.21/223,089.69 = 90,034.23/x
  3. Step 3: Cross multiply
    161,654.21x = 223,089.69 × 90,034.23
  4. Step 4: Simplify right side
    161,654.21x = 20,085,708,460.09
  5. Step 5: Solve for x
    x = 20,085,708,460.09/161,654.21
  6. Step 6: Final answer
    x = 124,251.07

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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.