Home / 186,016.04-278,802.63-129,550.44

Finding the Fourth Proportional to 186,016.04, 278,802.63 and 129,550.44

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Solution

The fourth proportional to 186,016.04, 278,802.63 and 129,550.44 is: 194,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,016.04 : 278,802.63 = 129,550.44 : x
  2. Step 2: Convert to fraction form
    186,016.04/278,802.63 = 129,550.44/x
  3. Step 3: Cross multiply
    186,016.04x = 278,802.63 × 129,550.44
  4. Step 4: Simplify right side
    186,016.04x = 36,119,003,231.26
  5. Step 5: Solve for x
    x = 36,119,003,231.26/186,016.04
  6. Step 6: Final answer
    x = 194,171.44

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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.