Home / 159,090.48-219,538.96-87,466.23

Finding the Fourth Proportional to 159,090.48, 219,538.96 and 87,466.23

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Solution

The fourth proportional to 159,090.48, 219,538.96 and 87,466.23 is: 120,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,090.48 : 219,538.96 = 87,466.23 : x
  2. Step 2: Convert to fraction form
    159,090.48/219,538.96 = 87,466.23/x
  3. Step 3: Cross multiply
    159,090.48x = 219,538.96 × 87,466.23
  4. Step 4: Simplify right side
    159,090.48x = 19,202,244,950.66
  5. Step 5: Solve for x
    x = 19,202,244,950.66/159,090.48
  6. Step 6: Final answer
    x = 120,700.15

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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.