Home / 154,209.33-212,726.79-93,798.45

Finding the Fourth Proportional to 154,209.33, 212,726.79 and 93,798.45

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Solution

The fourth proportional to 154,209.33, 212,726.79 and 93,798.45 is: 129,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,209.33 : 212,726.79 = 93,798.45 : x
  2. Step 2: Convert to fraction form
    154,209.33/212,726.79 = 93,798.45/x
  3. Step 3: Cross multiply
    154,209.33x = 212,726.79 × 93,798.45
  4. Step 4: Simplify right side
    154,209.33x = 19,953,443,175.48
  5. Step 5: Solve for x
    x = 19,953,443,175.48/154,209.33
  6. Step 6: Final answer
    x = 129,391.93

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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.