Home / 139,114.41-191,786.99-93,156.09

Finding the Fourth Proportional to 139,114.41, 191,786.99 and 93,156.09

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Solution

The fourth proportional to 139,114.41, 191,786.99 and 93,156.09 is: 128,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,114.41 : 191,786.99 = 93,156.09 : x
  2. Step 2: Convert to fraction form
    139,114.41/191,786.99 = 93,156.09/x
  3. Step 3: Cross multiply
    139,114.41x = 191,786.99 × 93,156.09
  4. Step 4: Simplify right side
    139,114.41x = 17,866,125,635.49
  5. Step 5: Solve for x
    x = 17,866,125,635.49/139,114.41
  6. Step 6: Final answer
    x = 128,427.57

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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.