Home / 161,066.24-222,235.60-97,402.72

Finding the Fourth Proportional to 161,066.24, 222,235.60 and 97,402.72

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Solution

The fourth proportional to 161,066.24, 222,235.60 and 97,402.72 is: 134,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,066.24 : 222,235.60 = 97,402.72 : x
  2. Step 2: Convert to fraction form
    161,066.24/222,235.60 = 97,402.72/x
  3. Step 3: Cross multiply
    161,066.24x = 222,235.60 × 97,402.72
  4. Step 4: Simplify right side
    161,066.24x = 21,646,351,920.83
  5. Step 5: Solve for x
    x = 21,646,351,920.83/161,066.24
  6. Step 6: Final answer
    x = 134,394.10

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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.