Home / 344,005.20-516,007.80-91,285.20

Finding the Fourth Proportional to 344,005.20, 516,007.80 and 91,285.20

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Solution

The fourth proportional to 344,005.20, 516,007.80 and 91,285.20 is: 136,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,005.20 : 516,007.80 = 91,285.20 : x
  2. Step 2: Convert to fraction form
    344,005.20/516,007.80 = 91,285.20/x
  3. Step 3: Cross multiply
    344,005.20x = 516,007.80 × 91,285.20
  4. Step 4: Simplify right side
    344,005.20x = 47,103,875,224.56
  5. Step 5: Solve for x
    x = 47,103,875,224.56/344,005.20
  6. Step 6: Final answer
    x = 136,927.80

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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.