Home / 188,941.14-260,434.88-127,668.20

Finding the Fourth Proportional to 188,941.14, 260,434.88 and 127,668.20

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Solution

The fourth proportional to 188,941.14, 260,434.88 and 127,668.20 is: 175,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,941.14 : 260,434.88 = 127,668.20 : x
  2. Step 2: Convert to fraction form
    188,941.14/260,434.88 = 127,668.20/x
  3. Step 3: Cross multiply
    188,941.14x = 260,434.88 × 127,668.20
  4. Step 4: Simplify right side
    188,941.14x = 33,249,252,350.00
  5. Step 5: Solve for x
    x = 33,249,252,350.00/188,941.14
  6. Step 6: Final answer
    x = 175,976.77

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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.