Home / 158,846.40-219,211.74-87,222.24

Finding the Fourth Proportional to 158,846.40, 219,211.74 and 87,222.24

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Solution

The fourth proportional to 158,846.40, 219,211.74 and 87,222.24 is: 120,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,846.40 : 219,211.74 = 87,222.24 : x
  2. Step 2: Convert to fraction form
    158,846.40/219,211.74 = 87,222.24/x
  3. Step 3: Cross multiply
    158,846.40x = 219,211.74 × 87,222.24
  4. Step 4: Simplify right side
    158,846.40x = 19,120,138,997.10
  5. Step 5: Solve for x
    x = 19,120,138,997.10/158,846.40
  6. Step 6: Final answer
    x = 120,368.73

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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.