Home / 117,136.53-175,599.09-42,203.84

Finding the Fourth Proportional to 117,136.53, 175,599.09 and 42,203.84

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Solution

The fourth proportional to 117,136.53, 175,599.09 and 42,203.84 is: 63,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136.53 : 175,599.09 = 42,203.84 : x
  2. Step 2: Convert to fraction form
    117,136.53/175,599.09 = 42,203.84/x
  3. Step 3: Cross multiply
    117,136.53x = 175,599.09 × 42,203.84
  4. Step 4: Simplify right side
    117,136.53x = 7,410,955,020.51
  5. Step 5: Solve for x
    x = 7,410,955,020.51/117,136.53
  6. Step 6: Final answer
    x = 63,267.67

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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.