Home / 239,389.48-359,136.81-70,923.04

Finding the Fourth Proportional to 239,389.48, 359,136.81 and 70,923.04

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Solution

The fourth proportional to 239,389.48, 359,136.81 and 70,923.04 is: 106,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,389.48 : 359,136.81 = 70,923.04 : x
  2. Step 2: Convert to fraction form
    239,389.48/359,136.81 = 70,923.04/x
  3. Step 3: Cross multiply
    239,389.48x = 359,136.81 × 70,923.04
  4. Step 4: Simplify right side
    239,389.48x = 25,471,074,341.10
  5. Step 5: Solve for x
    x = 25,471,074,341.10/239,389.48
  6. Step 6: Final answer
    x = 106,400.14

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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.