Home / 186,069.50-279,029.09-72,157.33

Finding the Fourth Proportional to 186,069.50, 279,029.09 and 72,157.33

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Solution

The fourth proportional to 186,069.50, 279,029.09 and 72,157.33 is: 108,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.50 : 279,029.09 = 72,157.33 : x
  2. Step 2: Convert to fraction form
    186,069.50/279,029.09 = 72,157.33/x
  3. Step 3: Cross multiply
    186,069.50x = 279,029.09 × 72,157.33
  4. Step 4: Simplify right side
    186,069.50x = 20,133,993,068.37
  5. Step 5: Solve for x
    x = 20,133,993,068.37/186,069.50
  6. Step 6: Final answer
    x = 108,206.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.