Home / 358,727.20-537,896.40-148,127.20

Finding the Fourth Proportional to 358,727.20, 537,896.40 and 148,127.20

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Solution

The fourth proportional to 358,727.20, 537,896.40 and 148,127.20 is: 222,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,727.20 : 537,896.40 = 148,127.20 : x
  2. Step 2: Convert to fraction form
    358,727.20/537,896.40 = 148,127.20/x
  3. Step 3: Cross multiply
    358,727.20x = 537,896.40 × 148,127.20
  4. Step 4: Simplify right side
    358,727.20x = 79,677,087,622.08
  5. Step 5: Solve for x
    x = 79,677,087,622.08/358,727.20
  6. Step 6: Final answer
    x = 222,110.53

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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.