Home / 158,909.31-238,305.56-64,114.16

Finding the Fourth Proportional to 158,909.31, 238,305.56 and 64,114.16

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Solution

The fourth proportional to 158,909.31, 238,305.56 and 64,114.16 is: 96,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,909.31 : 238,305.56 = 64,114.16 : x
  2. Step 2: Convert to fraction form
    158,909.31/238,305.56 = 64,114.16/x
  3. Step 3: Cross multiply
    158,909.31x = 238,305.56 × 64,114.16
  4. Step 4: Simplify right side
    158,909.31x = 15,278,759,290.63
  5. Step 5: Solve for x
    x = 15,278,759,290.63/158,909.31
  6. Step 6: Final answer
    x = 96,147.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.