Home / 161,828.40-223,323.84-89,239.44

Finding the Fourth Proportional to 161,828.40, 223,323.84 and 89,239.44

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Solution

The fourth proportional to 161,828.40, 223,323.84 and 89,239.44 is: 123,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828.40 : 223,323.84 = 89,239.44 : x
  2. Step 2: Convert to fraction form
    161,828.40/223,323.84 = 89,239.44/x
  3. Step 3: Cross multiply
    161,828.40x = 223,323.84 × 89,239.44
  4. Step 4: Simplify right side
    161,828.40x = 19,929,294,420.25
  5. Step 5: Solve for x
    x = 19,929,294,420.25/161,828.40
  6. Step 6: Final answer
    x = 123,150.78

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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.