Home / 194,711.02-291,928.48-86,581.28

Finding the Fourth Proportional to 194,711.02, 291,928.48 and 86,581.28

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Solution

The fourth proportional to 194,711.02, 291,928.48 and 86,581.28 is: 129,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,711.02 : 291,928.48 = 86,581.28 : x
  2. Step 2: Convert to fraction form
    194,711.02/291,928.48 = 86,581.28/x
  3. Step 3: Cross multiply
    194,711.02x = 291,928.48 × 86,581.28
  4. Step 4: Simplify right side
    194,711.02x = 25,275,541,466.85
  5. Step 5: Solve for x
    x = 25,275,541,466.85/194,711.02
  6. Step 6: Final answer
    x = 129,810.53

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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.