Home / 190,657.14-285,987.75-57,538.59

Finding the Fourth Proportional to 190,657.14, 285,987.75 and 57,538.59

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Solution

The fourth proportional to 190,657.14, 285,987.75 and 57,538.59 is: 86,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,657.14 : 285,987.75 = 57,538.59 : x
  2. Step 2: Convert to fraction form
    190,657.14/285,987.75 = 57,538.59/x
  3. Step 3: Cross multiply
    190,657.14x = 285,987.75 × 57,538.59
  4. Step 4: Simplify right side
    190,657.14x = 16,455,331,892.27
  5. Step 5: Solve for x
    x = 16,455,331,892.27/190,657.14
  6. Step 6: Final answer
    x = 86,308.50

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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.