Home / 158,797.50-219,136.48-87,176.89

Finding the Fourth Proportional to 158,797.50, 219,136.48 and 87,176.89

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Solution

The fourth proportional to 158,797.50, 219,136.48 and 87,176.89 is: 120,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,797.50 : 219,136.48 = 87,176.89 : x
  2. Step 2: Convert to fraction form
    158,797.50/219,136.48 = 87,176.89/x
  3. Step 3: Cross multiply
    158,797.50x = 219,136.48 × 87,176.89
  4. Step 4: Simplify right side
    158,797.50x = 19,103,636,811.95
  5. Step 5: Solve for x
    x = 19,103,636,811.95/158,797.50
  6. Step 6: Final answer
    x = 120,301.87

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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.