Home / 186,016.48-278,803.18-129,550.77

Finding the Fourth Proportional to 186,016.48, 278,803.18 and 129,550.77

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Solution

The fourth proportional to 186,016.48, 278,803.18 and 129,550.77 is: 194,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,016.48 : 278,803.18 = 129,550.77 : x
  2. Step 2: Convert to fraction form
    186,016.48/278,803.18 = 129,550.77/x
  3. Step 3: Cross multiply
    186,016.48x = 278,803.18 × 129,550.77
  4. Step 4: Simplify right side
    186,016.48x = 36,119,166,647.45
  5. Step 5: Solve for x
    x = 36,119,166,647.45/186,016.48
  6. Step 6: Final answer
    x = 194,171.86

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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.