Home / 190,790.08-286,228.32-101,996.80

Finding the Fourth Proportional to 190,790.08, 286,228.32 and 101,996.80

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Solution

The fourth proportional to 190,790.08, 286,228.32 and 101,996.80 is: 153,018.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,790.08 : 286,228.32 = 101,996.80 : x
  2. Step 2: Convert to fraction form
    190,790.08/286,228.32 = 101,996.80/x
  3. Step 3: Cross multiply
    190,790.08x = 286,228.32 × 101,996.80
  4. Step 4: Simplify right side
    190,790.08x = 29,194,372,709.38
  5. Step 5: Solve for x
    x = 29,194,372,709.38/190,790.08
  6. Step 6: Final answer
    x = 153,018.29

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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.