Home / 190,839.40-286,014.30-106,599.40

Finding the Fourth Proportional to 190,839.40, 286,014.30 and 106,599.40

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Solution

The fourth proportional to 190,839.40, 286,014.30 and 106,599.40 is: 159,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,839.40 : 286,014.30 = 106,599.40 : x
  2. Step 2: Convert to fraction form
    190,839.40/286,014.30 = 106,599.40/x
  3. Step 3: Cross multiply
    190,839.40x = 286,014.30 × 106,599.40
  4. Step 4: Simplify right side
    190,839.40x = 30,488,952,771.42
  5. Step 5: Solve for x
    x = 30,488,952,771.42/190,839.40
  6. Step 6: Final answer
    x = 159,762.36

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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.