Home / 154,207.83-212,724.72-93,796.95

Finding the Fourth Proportional to 154,207.83, 212,724.72 and 93,796.95

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Solution

The fourth proportional to 154,207.83, 212,724.72 and 93,796.95 is: 129,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,207.83 : 212,724.72 = 93,796.95 : x
  2. Step 2: Convert to fraction form
    154,207.83/212,724.72 = 93,796.95/x
  3. Step 3: Cross multiply
    154,207.83x = 212,724.72 × 93,796.95
  4. Step 4: Simplify right side
    154,207.83x = 19,952,929,925.60
  5. Step 5: Solve for x
    x = 19,952,929,925.60/154,207.83
  6. Step 6: Final answer
    x = 129,389.86

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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.