Home / 190,319.49-285,503.76-63,905.40

Finding the Fourth Proportional to 190,319.49, 285,503.76 and 63,905.40

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Solution

The fourth proportional to 190,319.49, 285,503.76 and 63,905.40 is: 95,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,319.49 : 285,503.76 = 63,905.40 : x
  2. Step 2: Convert to fraction form
    190,319.49/285,503.76 = 63,905.40/x
  3. Step 3: Cross multiply
    190,319.49x = 285,503.76 × 63,905.40
  4. Step 4: Simplify right side
    190,319.49x = 18,245,231,984.30
  5. Step 5: Solve for x
    x = 18,245,231,984.30/190,319.49
  6. Step 6: Final answer
    x = 95,866.33

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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.