Home / 253,528.84-379,746.50-238,623.56

Finding the Fourth Proportional to 253,528.84, 379,746.50 and 238,623.56

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Solution

The fourth proportional to 253,528.84, 379,746.50 and 238,623.56 is: 357,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,528.84 : 379,746.50 = 238,623.56 : x
  2. Step 2: Convert to fraction form
    253,528.84/379,746.50 = 238,623.56/x
  3. Step 3: Cross multiply
    253,528.84x = 379,746.50 × 238,623.56
  4. Step 4: Simplify right side
    253,528.84x = 90,616,461,727.54
  5. Step 5: Solve for x
    x = 90,616,461,727.54/253,528.84
  6. Step 6: Final answer
    x = 357,420.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.