Home / 161,820.90-223,416.60-104,485.86

Finding the Fourth Proportional to 161,820.90, 223,416.60 and 104,485.86

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Solution

The fourth proportional to 161,820.90, 223,416.60 and 104,485.86 is: 144,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,820.90 : 223,416.60 = 104,485.86 : x
  2. Step 2: Convert to fraction form
    161,820.90/223,416.60 = 104,485.86/x
  3. Step 3: Cross multiply
    161,820.90x = 223,416.60 × 104,485.86
  4. Step 4: Simplify right side
    161,820.90x = 23,343,875,589.28
  5. Step 5: Solve for x
    x = 23,343,875,589.28/161,820.90
  6. Step 6: Final answer
    x = 144,257.48

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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.