Home / 161,663.55-223,086.85-89,052.31

Finding the Fourth Proportional to 161,663.55, 223,086.85 and 89,052.31

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Solution

The fourth proportional to 161,663.55, 223,086.85 and 89,052.31 is: 122,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,663.55 : 223,086.85 = 89,052.31 : x
  2. Step 2: Convert to fraction form
    161,663.55/223,086.85 = 89,052.31/x
  3. Step 3: Cross multiply
    161,663.55x = 223,086.85 × 89,052.31
  4. Step 4: Simplify right side
    161,663.55x = 19,866,399,323.12
  5. Step 5: Solve for x
    x = 19,866,399,323.12/161,663.55
  6. Step 6: Final answer
    x = 122,887.31

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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.