Home / 369,365.20-554,047.80-132,715.60

Finding the Fourth Proportional to 369,365.20, 554,047.80 and 132,715.60

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Solution

The fourth proportional to 369,365.20, 554,047.80 and 132,715.60 is: 199,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,365.20 : 554,047.80 = 132,715.60 : x
  2. Step 2: Convert to fraction form
    369,365.20/554,047.80 = 132,715.60/x
  3. Step 3: Cross multiply
    369,365.20x = 554,047.80 × 132,715.60
  4. Step 4: Simplify right side
    369,365.20x = 73,530,786,205.68
  5. Step 5: Solve for x
    x = 73,530,786,205.68/369,365.20
  6. Step 6: Final answer
    x = 199,073.40

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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.