Home / 117,206.12-175,807.32-28,460.36

Finding the Fourth Proportional to 117,206.12, 175,807.32 and 28,460.36

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Solution

The fourth proportional to 117,206.12, 175,807.32 and 28,460.36 is: 42,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,206.12 : 175,807.32 = 28,460.36 : x
  2. Step 2: Convert to fraction form
    117,206.12/175,807.32 = 28,460.36/x
  3. Step 3: Cross multiply
    117,206.12x = 175,807.32 × 28,460.36
  4. Step 4: Simplify right side
    117,206.12x = 5,003,539,617.84
  5. Step 5: Solve for x
    x = 5,003,539,617.84/117,206.12
  6. Step 6: Final answer
    x = 42,690.09

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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.