Home / 190,824.88-286,209.76-64,442.20

Finding the Fourth Proportional to 190,824.88, 286,209.76 and 64,442.20

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Solution

The fourth proportional to 190,824.88, 286,209.76 and 64,442.20 is: 96,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,824.88 : 286,209.76 = 64,442.20 : x
  2. Step 2: Convert to fraction form
    190,824.88/286,209.76 = 64,442.20/x
  3. Step 3: Cross multiply
    190,824.88x = 286,209.76 × 64,442.20
  4. Step 4: Simplify right side
    190,824.88x = 18,443,986,595.87
  5. Step 5: Solve for x
    x = 18,443,986,595.87/190,824.88
  6. Step 6: Final answer
    x = 96,653.99

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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.