Home / 456,168.12-684,054.18-175,488.36

Finding the Fourth Proportional to 456,168.12, 684,054.18 and 175,488.36

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Solution

The fourth proportional to 456,168.12, 684,054.18 and 175,488.36 is: 263,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,168.12 : 684,054.18 = 175,488.36 : x
  2. Step 2: Convert to fraction form
    456,168.12/684,054.18 = 175,488.36/x
  3. Step 3: Cross multiply
    456,168.12x = 684,054.18 × 175,488.36
  4. Step 4: Simplify right side
    456,168.12x = 120,043,546,199.35
  5. Step 5: Solve for x
    x = 120,043,546,199.35/456,168.12
  6. Step 6: Final answer
    x = 263,156.37

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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.