Home / 243,533.49-364,900.89-172,107.28

Finding the Fourth Proportional to 243,533.49, 364,900.89 and 172,107.28

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Solution

The fourth proportional to 243,533.49, 364,900.89 and 172,107.28 is: 257,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,533.49 : 364,900.89 = 172,107.28 : x
  2. Step 2: Convert to fraction form
    243,533.49/364,900.89 = 172,107.28/x
  3. Step 3: Cross multiply
    243,533.49x = 364,900.89 × 172,107.28
  4. Step 4: Simplify right side
    243,533.49x = 62,802,097,822.97
  5. Step 5: Solve for x
    x = 62,802,097,822.97/243,533.49
  6. Step 6: Final answer
    x = 257,878.69

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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.