Home / 201,724.65-302,499.45-68,569.14

Finding the Fourth Proportional to 201,724.65, 302,499.45 and 68,569.14

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Solution

The fourth proportional to 201,724.65, 302,499.45 and 68,569.14 is: 102,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,724.65 : 302,499.45 = 68,569.14 : x
  2. Step 2: Convert to fraction form
    201,724.65/302,499.45 = 68,569.14/x
  3. Step 3: Cross multiply
    201,724.65x = 302,499.45 × 68,569.14
  4. Step 4: Simplify right side
    201,724.65x = 20,742,127,136.97
  5. Step 5: Solve for x
    x = 20,742,127,136.97/201,724.65
  6. Step 6: Final answer
    x = 102,823.96

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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.