Home / 161,938.74-223,475.75-90,323.37

Finding the Fourth Proportional to 161,938.74, 223,475.75 and 90,323.37

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Solution

The fourth proportional to 161,938.74, 223,475.75 and 90,323.37 is: 124,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.74 : 223,475.75 = 90,323.37 : x
  2. Step 2: Convert to fraction form
    161,938.74/223,475.75 = 90,323.37/x
  3. Step 3: Cross multiply
    161,938.74x = 223,475.75 × 90,323.37
  4. Step 4: Simplify right side
    161,938.74x = 20,185,082,853.28
  5. Step 5: Solve for x
    x = 20,185,082,853.28/161,938.74
  6. Step 6: Final answer
    x = 124,646.41

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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.