Home / 190,589.71-285,886.80-57,471.13

Finding the Fourth Proportional to 190,589.71, 285,886.80 and 57,471.13

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Solution

The fourth proportional to 190,589.71, 285,886.80 and 57,471.13 is: 86,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,589.71 : 285,886.80 = 57,471.13 : x
  2. Step 2: Convert to fraction form
    190,589.71/285,886.80 = 57,471.13/x
  3. Step 3: Cross multiply
    190,589.71x = 285,886.80 × 57,471.13
  4. Step 4: Simplify right side
    190,589.71x = 16,430,237,448.08
  5. Step 5: Solve for x
    x = 16,430,237,448.08/190,589.71
  6. Step 6: Final answer
    x = 86,207.37

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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.