Home / 161,751.90-223,219.08-89,150.79

Finding the Fourth Proportional to 161,751.90, 223,219.08 and 89,150.79

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Solution

The fourth proportional to 161,751.90, 223,219.08 and 89,150.79 is: 123,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,751.90 : 223,219.08 = 89,150.79 : x
  2. Step 2: Convert to fraction form
    161,751.90/223,219.08 = 89,150.79/x
  3. Step 3: Cross multiply
    161,751.90x = 223,219.08 × 89,150.79
  4. Step 4: Simplify right side
    161,751.90x = 19,900,157,325.07
  5. Step 5: Solve for x
    x = 19,900,157,325.07/161,751.90
  6. Step 6: Final answer
    x = 123,028.89

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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.