Home / 340,301.20-469,617.60-187,354.84

Finding the Fourth Proportional to 340,301.20, 469,617.60 and 187,354.84

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Solution

The fourth proportional to 340,301.20, 469,617.60 and 187,354.84 is: 258,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,301.20 : 469,617.60 = 187,354.84 : x
  2. Step 2: Convert to fraction form
    340,301.20/469,617.60 = 187,354.84/x
  3. Step 3: Cross multiply
    340,301.20x = 469,617.60 × 187,354.84
  4. Step 4: Simplify right side
    340,301.20x = 87,985,130,309.18
  5. Step 5: Solve for x
    x = 87,985,130,309.18/340,301.20
  6. Step 6: Final answer
    x = 258,550.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.