Home / 190,876.20-286,241.40-57,712.20

Finding the Fourth Proportional to 190,876.20, 286,241.40 and 57,712.20

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Solution

The fourth proportional to 190,876.20, 286,241.40 and 57,712.20 is: 86,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,876.20 : 286,241.40 = 57,712.20 : x
  2. Step 2: Convert to fraction form
    190,876.20/286,241.40 = 57,712.20/x
  3. Step 3: Cross multiply
    190,876.20x = 286,241.40 × 57,712.20
  4. Step 4: Simplify right side
    190,876.20x = 16,519,620,925.08
  5. Step 5: Solve for x
    x = 16,519,620,925.08/190,876.20
  6. Step 6: Final answer
    x = 86,546.26

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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.