Home / 190,031.40-284,816.70-84,738.60

Finding the Fourth Proportional to 190,031.40, 284,816.70 and 84,738.60

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Solution

The fourth proportional to 190,031.40, 284,816.70 and 84,738.60 is: 127,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,031.40 : 284,816.70 = 84,738.60 : x
  2. Step 2: Convert to fraction form
    190,031.40/284,816.70 = 84,738.60/x
  3. Step 3: Cross multiply
    190,031.40x = 284,816.70 × 84,738.60
  4. Step 4: Simplify right side
    190,031.40x = 24,134,968,414.62
  5. Step 5: Solve for x
    x = 24,134,968,414.62/190,031.40
  6. Step 6: Final answer
    x = 127,005.16

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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.