Home / 291,743.90-437,615.85-104,774.30

Finding the Fourth Proportional to 291,743.90, 437,615.85 and 104,774.30

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Solution

The fourth proportional to 291,743.90, 437,615.85 and 104,774.30 is: 157,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,743.90 : 437,615.85 = 104,774.30 : x
  2. Step 2: Convert to fraction form
    291,743.90/437,615.85 = 104,774.30/x
  3. Step 3: Cross multiply
    291,743.90x = 437,615.85 × 104,774.30
  4. Step 4: Simplify right side
    291,743.90x = 45,850,894,352.66
  5. Step 5: Solve for x
    x = 45,850,894,352.66/291,743.90
  6. Step 6: Final answer
    x = 157,161.45

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1.5x scale

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.