Home / 190,258.01-285,400.33-76,405.80

Finding the Fourth Proportional to 190,258.01, 285,400.33 and 76,405.80

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Solution

The fourth proportional to 190,258.01, 285,400.33 and 76,405.80 is: 114,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,258.01 : 285,400.33 = 76,405.80 : x
  2. Step 2: Convert to fraction form
    190,258.01/285,400.33 = 76,405.80/x
  3. Step 3: Cross multiply
    190,258.01x = 285,400.33 × 76,405.80
  4. Step 4: Simplify right side
    190,258.01x = 21,806,240,533.91
  5. Step 5: Solve for x
    x = 21,806,240,533.91/190,258.01
  6. Step 6: Final answer
    x = 114,614.05

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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.