Home / 371,771.28-513,206.42-236,013.93

Finding the Fourth Proportional to 371,771.28, 513,206.42 and 236,013.93

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Solution

The fourth proportional to 371,771.28, 513,206.42 and 236,013.93 is: 325,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,771.28 : 513,206.42 = 236,013.93 : x
  2. Step 2: Convert to fraction form
    371,771.28/513,206.42 = 236,013.93/x
  3. Step 3: Cross multiply
    371,771.28x = 513,206.42 × 236,013.93
  4. Step 4: Simplify right side
    371,771.28x = 121,123,862,905.36
  5. Step 5: Solve for x
    x = 121,123,862,905.36/371,771.28
  6. Step 6: Final answer
    x = 325,802.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.