Home / 119,882.16-179,915.40-45,057.60

Finding the Fourth Proportional to 119,882.16, 179,915.40 and 45,057.60

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Solution

The fourth proportional to 119,882.16, 179,915.40 and 45,057.60 is: 67,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882.16 : 179,915.40 = 45,057.60 : x
  2. Step 2: Convert to fraction form
    119,882.16/179,915.40 = 45,057.60/x
  3. Step 3: Cross multiply
    119,882.16x = 179,915.40 × 45,057.60
  4. Step 4: Simplify right side
    119,882.16x = 8,106,556,127.04
  5. Step 5: Solve for x
    x = 8,106,556,127.04/119,882.16
  6. Step 6: Final answer
    x = 67,621.04

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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.