Home / 199,612.20-299,015.10-124,501.80

Finding the Fourth Proportional to 199,612.20, 299,015.10 and 124,501.80

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Solution

The fourth proportional to 199,612.20, 299,015.10 and 124,501.80 is: 186,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,612.20 : 299,015.10 = 124,501.80 : x
  2. Step 2: Convert to fraction form
    199,612.20/299,015.10 = 124,501.80/x
  3. Step 3: Cross multiply
    199,612.20x = 299,015.10 × 124,501.80
  4. Step 4: Simplify right side
    199,612.20x = 37,227,918,177.18
  5. Step 5: Solve for x
    x = 37,227,918,177.18/199,612.20
  6. Step 6: Final answer
    x = 186,501.22

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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.