Home / 125,461.34-173,136.78-68,100.66

Finding the Fourth Proportional to 125,461.34, 173,136.78 and 68,100.66

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Solution

The fourth proportional to 125,461.34, 173,136.78 and 68,100.66 is: 93,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,461.34 : 173,136.78 = 68,100.66 : x
  2. Step 2: Convert to fraction form
    125,461.34/173,136.78 = 68,100.66/x
  3. Step 3: Cross multiply
    125,461.34x = 173,136.78 × 68,100.66
  4. Step 4: Simplify right side
    125,461.34x = 11,790,728,988.27
  5. Step 5: Solve for x
    x = 11,790,728,988.27/125,461.34
  6. Step 6: Final answer
    x = 93,978.98

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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.