Home / 242,563.12-363,883.56-102,342.40

Finding the Fourth Proportional to 242,563.12, 363,883.56 and 102,342.40

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Solution

The fourth proportional to 242,563.12, 363,883.56 and 102,342.40 is: 153,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,563.12 : 363,883.56 = 102,342.40 : x
  2. Step 2: Convert to fraction form
    242,563.12/363,883.56 = 102,342.40/x
  3. Step 3: Cross multiply
    242,563.12x = 363,883.56 × 102,342.40
  4. Step 4: Simplify right side
    242,563.12x = 37,240,716,850.94
  5. Step 5: Solve for x
    x = 37,240,716,850.94/242,563.12
  6. Step 6: Final answer
    x = 153,530.00

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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.