Home / 351,452.90-527,070.31-126,784.01

Finding the Fourth Proportional to 351,452.90, 527,070.31 and 126,784.01

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Solution

The fourth proportional to 351,452.90, 527,070.31 and 126,784.01 is: 190,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,452.90 : 527,070.31 = 126,784.01 : x
  2. Step 2: Convert to fraction form
    351,452.90/527,070.31 = 126,784.01/x
  3. Step 3: Cross multiply
    351,452.90x = 527,070.31 × 126,784.01
  4. Step 4: Simplify right side
    351,452.90x = 66,824,087,453.74
  5. Step 5: Solve for x
    x = 66,824,087,453.74/351,452.90
  6. Step 6: Final answer
    x = 190,136.68

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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.