Home / 199,945.40-299,918.10-183,615.80

Finding the Fourth Proportional to 199,945.40, 299,918.10 and 183,615.80

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Solution

The fourth proportional to 199,945.40, 299,918.10 and 183,615.80 is: 275,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,945.40 : 299,918.10 = 183,615.80 : x
  2. Step 2: Convert to fraction form
    199,945.40/299,918.10 = 183,615.80/x
  3. Step 3: Cross multiply
    199,945.40x = 299,918.10 × 183,615.80
  4. Step 4: Simplify right side
    199,945.40x = 55,069,701,865.98
  5. Step 5: Solve for x
    x = 55,069,701,865.98/199,945.40
  6. Step 6: Final answer
    x = 275,423.70

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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.