Home / 194,430.30-291,415.05-82,110.30

Finding the Fourth Proportional to 194,430.30, 291,415.05 and 82,110.30

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Solution

The fourth proportional to 194,430.30, 291,415.05 and 82,110.30 is: 123,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,430.30 : 291,415.05 = 82,110.30 : x
  2. Step 2: Convert to fraction form
    194,430.30/291,415.05 = 82,110.30/x
  3. Step 3: Cross multiply
    194,430.30x = 291,415.05 × 82,110.30
  4. Step 4: Simplify right side
    194,430.30x = 23,928,177,180.02
  5. Step 5: Solve for x
    x = 23,928,177,180.02/194,430.30
  6. Step 6: Final answer
    x = 123,068.15

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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.