Home / 108,327.20-161,771.02-107,154.32

Finding the Fourth Proportional to 108,327.20, 161,771.02 and 107,154.32

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Solution

The fourth proportional to 108,327.20, 161,771.02 and 107,154.32 is: 160,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,327.20 : 161,771.02 = 107,154.32 : x
  2. Step 2: Convert to fraction form
    108,327.20/161,771.02 = 107,154.32/x
  3. Step 3: Cross multiply
    108,327.20x = 161,771.02 × 107,154.32
  4. Step 4: Simplify right side
    108,327.20x = 17,334,462,567.07
  5. Step 5: Solve for x
    x = 17,334,462,567.07/108,327.20
  6. Step 6: Final answer
    x = 160,019.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.