Home / 134,813.96-186,005.94-87,069.32

Finding the Fourth Proportional to 134,813.96, 186,005.94 and 87,069.32

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Solution

The fourth proportional to 134,813.96, 186,005.94 and 87,069.32 is: 120,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,813.96 : 186,005.94 = 87,069.32 : x
  2. Step 2: Convert to fraction form
    134,813.96/186,005.94 = 87,069.32/x
  3. Step 3: Cross multiply
    134,813.96x = 186,005.94 × 87,069.32
  4. Step 4: Simplify right side
    134,813.96x = 16,195,410,711.76
  5. Step 5: Solve for x
    x = 16,195,410,711.76/134,813.96
  6. Step 6: Final answer
    x = 120,131.56

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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.