Home / 370,939.72-556,118.91-146,468.18

Finding the Fourth Proportional to 370,939.72, 556,118.91 and 146,468.18

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Solution

The fourth proportional to 370,939.72, 556,118.91 and 146,468.18 is: 219,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,939.72 : 556,118.91 = 146,468.18 : x
  2. Step 2: Convert to fraction form
    370,939.72/556,118.91 = 146,468.18/x
  3. Step 3: Cross multiply
    370,939.72x = 556,118.91 × 146,468.18
  4. Step 4: Simplify right side
    370,939.72x = 81,453,724,812.88
  5. Step 5: Solve for x
    x = 81,453,724,812.88/370,939.72
  6. Step 6: Final answer
    x = 219,587.50

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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.