Home / 371,023.20-556,680.60-146,345.40

Finding the Fourth Proportional to 371,023.20, 556,680.60 and 146,345.40

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Solution

The fourth proportional to 371,023.20, 556,680.60 and 146,345.40 is: 219,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,023.20 : 556,680.60 = 146,345.40 : x
  2. Step 2: Convert to fraction form
    371,023.20/556,680.60 = 146,345.40/x
  3. Step 3: Cross multiply
    371,023.20x = 556,680.60 × 146,345.40
  4. Step 4: Simplify right side
    371,023.20x = 81,467,645,079.24
  5. Step 5: Solve for x
    x = 81,467,645,079.24/371,023.20
  6. Step 6: Final answer
    x = 219,575.61

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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.