Home / 161,600.15-223,001.34-89,978.33

Finding the Fourth Proportional to 161,600.15, 223,001.34 and 89,978.33

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Solution

The fourth proportional to 161,600.15, 223,001.34 and 89,978.33 is: 124,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,600.15 : 223,001.34 = 89,978.33 : x
  2. Step 2: Convert to fraction form
    161,600.15/223,001.34 = 89,978.33/x
  3. Step 3: Cross multiply
    161,600.15x = 223,001.34 × 89,978.33
  4. Step 4: Simplify right side
    161,600.15x = 20,065,287,045.96
  5. Step 5: Solve for x
    x = 20,065,287,045.96/161,600.15
  6. Step 6: Final answer
    x = 124,166.27

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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.