Home / 190,937.20-286,332.90-57,773.20

Finding the Fourth Proportional to 190,937.20, 286,332.90 and 57,773.20

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Solution

The fourth proportional to 190,937.20, 286,332.90 and 57,773.20 is: 86,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,937.20 : 286,332.90 = 57,773.20 : x
  2. Step 2: Convert to fraction form
    190,937.20/286,332.90 = 57,773.20/x
  3. Step 3: Cross multiply
    190,937.20x = 286,332.90 × 57,773.20
  4. Step 4: Simplify right side
    190,937.20x = 16,542,367,898.28
  5. Step 5: Solve for x
    x = 16,542,367,898.28/190,937.20
  6. Step 6: Final answer
    x = 86,637.74

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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.