Home / 239,084.21-329,925.56-137,036.50

Finding the Fourth Proportional to 239,084.21, 329,925.56 and 137,036.50

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Solution

The fourth proportional to 239,084.21, 329,925.56 and 137,036.50 is: 189,104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,084.21 : 329,925.56 = 137,036.50 : x
  2. Step 2: Convert to fraction form
    239,084.21/329,925.56 = 137,036.50/x
  3. Step 3: Cross multiply
    239,084.21x = 329,925.56 × 137,036.50
  4. Step 4: Simplify right side
    239,084.21x = 45,211,842,492.94
  5. Step 5: Solve for x
    x = 45,211,842,492.94/239,084.21
  6. Step 6: Final answer
    x = 189,104.26

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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.