Home / 158,826.75-219,184.44-87,207.05

Finding the Fourth Proportional to 158,826.75, 219,184.44 and 87,207.05

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Solution

The fourth proportional to 158,826.75, 219,184.44 and 87,207.05 is: 120,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,826.75 : 219,184.44 = 87,207.05 : x
  2. Step 2: Convert to fraction form
    158,826.75/219,184.44 = 87,207.05/x
  3. Step 3: Cross multiply
    158,826.75x = 219,184.44 × 87,207.05
  4. Step 4: Simplify right side
    158,826.75x = 19,114,428,418.30
  5. Step 5: Solve for x
    x = 19,114,428,418.30/158,826.75
  6. Step 6: Final answer
    x = 120,347.66

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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.