Home / 175,470.36-242,090.20-143,149.10

Finding the Fourth Proportional to 175,470.36, 242,090.20 and 143,149.10

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Solution

The fourth proportional to 175,470.36, 242,090.20 and 143,149.10 is: 197,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,470.36 : 242,090.20 = 143,149.10 : x
  2. Step 2: Convert to fraction form
    175,470.36/242,090.20 = 143,149.10/x
  3. Step 3: Cross multiply
    175,470.36x = 242,090.20 × 143,149.10
  4. Step 4: Simplify right side
    175,470.36x = 34,654,993,533.07
  5. Step 5: Solve for x
    x = 34,654,993,533.07/175,470.36
  6. Step 6: Final answer
    x = 197,497.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.