Home / 223,934.12-308,975.42-127,116.44

Finding the Fourth Proportional to 223,934.12, 308,975.42 and 127,116.44

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Solution

The fourth proportional to 223,934.12, 308,975.42 and 127,116.44 is: 175,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,934.12 : 308,975.42 = 127,116.44 : x
  2. Step 2: Convert to fraction form
    223,934.12/308,975.42 = 127,116.44/x
  3. Step 3: Cross multiply
    223,934.12x = 308,975.42 × 127,116.44
  4. Step 4: Simplify right side
    223,934.12x = 39,275,854,802.32
  5. Step 5: Solve for x
    x = 39,275,854,802.32/223,934.12
  6. Step 6: Final answer
    x = 175,390.22

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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.