Home / 190,918.20-286,304.40-57,754.20

Finding the Fourth Proportional to 190,918.20, 286,304.40 and 57,754.20

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Solution

The fourth proportional to 190,918.20, 286,304.40 and 57,754.20 is: 86,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,918.20 : 286,304.40 = 57,754.20 : x
  2. Step 2: Convert to fraction form
    190,918.20/286,304.40 = 57,754.20/x
  3. Step 3: Cross multiply
    190,918.20x = 286,304.40 × 57,754.20
  4. Step 4: Simplify right side
    190,918.20x = 16,535,281,578.48
  5. Step 5: Solve for x
    x = 16,535,281,578.48/190,918.20
  6. Step 6: Final answer
    x = 86,609.25

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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.