Home / 371,215.20-556,968.60-146,537.40

Finding the Fourth Proportional to 371,215.20, 556,968.60 and 146,537.40

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Solution

The fourth proportional to 371,215.20, 556,968.60 and 146,537.40 is: 219,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,215.20 : 556,968.60 = 146,537.40 : x
  2. Step 2: Convert to fraction form
    371,215.20/556,968.60 = 146,537.40/x
  3. Step 3: Cross multiply
    371,215.20x = 556,968.60 × 146,537.40
  4. Step 4: Simplify right side
    371,215.20x = 81,616,730,525.64
  5. Step 5: Solve for x
    x = 81,616,730,525.64/371,215.20
  6. Step 6: Final answer
    x = 219,863.65

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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.