Home / 307,421.50-461,200.38-94,218.88

Finding the Fourth Proportional to 307,421.50, 461,200.38 and 94,218.88

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Solution

The fourth proportional to 307,421.50, 461,200.38 and 94,218.88 is: 141,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,421.50 : 461,200.38 = 94,218.88 : x
  2. Step 2: Convert to fraction form
    307,421.50/461,200.38 = 94,218.88/x
  3. Step 3: Cross multiply
    307,421.50x = 461,200.38 × 94,218.88
  4. Step 4: Simplify right side
    307,421.50x = 43,453,783,259.17
  5. Step 5: Solve for x
    x = 43,453,783,259.17/307,421.50
  6. Step 6: Final answer
    x = 141,349.20

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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.