Home / 358,836.13-538,303.40-106,136.48

Finding the Fourth Proportional to 358,836.13, 538,303.40 and 106,136.48

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Solution

The fourth proportional to 358,836.13, 538,303.40 and 106,136.48 is: 159,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,836.13 : 538,303.40 = 106,136.48 : x
  2. Step 2: Convert to fraction form
    358,836.13/538,303.40 = 106,136.48/x
  3. Step 3: Cross multiply
    358,836.13x = 538,303.40 × 106,136.48
  4. Step 4: Simplify right side
    358,836.13x = 57,133,625,934.65
  5. Step 5: Solve for x
    x = 57,133,625,934.65/358,836.13
  6. Step 6: Final answer
    x = 159,219.27

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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.