Home / 171,815-237,208.38-112,302.68

Finding the Fourth Proportional to 171,815, 237,208.38 and 112,302.68

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Solution

The fourth proportional to 171,815, 237,208.38 and 112,302.68 is: 155,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,815 : 237,208.38 = 112,302.68 : x
  2. Step 2: Convert to fraction form
    171,815/237,208.38 = 112,302.68/x
  3. Step 3: Cross multiply
    171,815x = 237,208.38 × 112,302.68
  4. Step 4: Simplify right side
    171,815x = 26,639,136,792.46
  5. Step 5: Solve for x
    x = 26,639,136,792.46/171,815
  6. Step 6: Final answer
    x = 155,045.47

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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.