Home / 409,566.90-614,627.14-143,329.74

Finding the Fourth Proportional to 409,566.90, 614,627.14 and 143,329.74

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Solution

The fourth proportional to 409,566.90, 614,627.14 and 143,329.74 is: 215,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,566.90 : 614,627.14 = 143,329.74 : x
  2. Step 2: Convert to fraction form
    409,566.90/614,627.14 = 143,329.74/x
  3. Step 3: Cross multiply
    409,566.90x = 614,627.14 × 143,329.74
  4. Step 4: Simplify right side
    409,566.90x = 88,094,348,173.14
  5. Step 5: Solve for x
    x = 88,094,348,173.14/409,566.90
  6. Step 6: Final answer
    x = 215,091.47

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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.