Home / 236,717.60-355,136.56-70,507.04

Finding the Fourth Proportional to 236,717.60, 355,136.56 and 70,507.04

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Solution

The fourth proportional to 236,717.60, 355,136.56 and 70,507.04 is: 105,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,717.60 : 355,136.56 = 70,507.04 : x
  2. Step 2: Convert to fraction form
    236,717.60/355,136.56 = 70,507.04/x
  3. Step 3: Cross multiply
    236,717.60x = 355,136.56 × 70,507.04
  4. Step 4: Simplify right side
    236,717.60x = 25,039,627,641.38
  5. Step 5: Solve for x
    x = 25,039,627,641.38/236,717.60
  6. Step 6: Final answer
    x = 105,778.48

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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.