Home / 193,454.14-290,069.46-74,987.08

Finding the Fourth Proportional to 193,454.14, 290,069.46 and 74,987.08

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Solution

The fourth proportional to 193,454.14, 290,069.46 and 74,987.08 is: 112,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,454.14 : 290,069.46 = 74,987.08 : x
  2. Step 2: Convert to fraction form
    193,454.14/290,069.46 = 74,987.08/x
  3. Step 3: Cross multiply
    193,454.14x = 290,069.46 × 74,987.08
  4. Step 4: Simplify right side
    193,454.14x = 21,751,461,802.58
  5. Step 5: Solve for x
    x = 21,751,461,802.58/193,454.14
  6. Step 6: Final answer
    x = 112,437.30

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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.