Home / 175,499.64-242,173.20-107,485.56

Finding the Fourth Proportional to 175,499.64, 242,173.20 and 107,485.56

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Solution

The fourth proportional to 175,499.64, 242,173.20 and 107,485.56 is: 148,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,499.64 : 242,173.20 = 107,485.56 : x
  2. Step 2: Convert to fraction form
    175,499.64/242,173.20 = 107,485.56/x
  3. Step 3: Cross multiply
    175,499.64x = 242,173.20 × 107,485.56
  4. Step 4: Simplify right side
    175,499.64x = 26,030,122,018.99
  5. Step 5: Solve for x
    x = 26,030,122,018.99/175,499.64
  6. Step 6: Final answer
    x = 148,320.09

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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.