Home / 161,944.35-223,483.51-90,329.01

Finding the Fourth Proportional to 161,944.35, 223,483.51 and 90,329.01

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Solution

The fourth proportional to 161,944.35, 223,483.51 and 90,329.01 is: 124,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.35 : 223,483.51 = 90,329.01 : x
  2. Step 2: Convert to fraction form
    161,944.35/223,483.51 = 90,329.01/x
  3. Step 3: Cross multiply
    161,944.35x = 223,483.51 × 90,329.01
  4. Step 4: Simplify right side
    161,944.35x = 20,187,044,209.63
  5. Step 5: Solve for x
    x = 20,187,044,209.63/161,944.35
  6. Step 6: Final answer
    x = 124,654.21

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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.