Home / 345,927.47-518,848.25-93,227.72

Finding the Fourth Proportional to 345,927.47, 518,848.25 and 93,227.72

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Solution

The fourth proportional to 345,927.47, 518,848.25 and 93,227.72 is: 139,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,927.47 : 518,848.25 = 93,227.72 : x
  2. Step 2: Convert to fraction form
    345,927.47/518,848.25 = 93,227.72/x
  3. Step 3: Cross multiply
    345,927.47x = 518,848.25 × 93,227.72
  4. Step 4: Simplify right side
    345,927.47x = 48,371,036,313.11
  5. Step 5: Solve for x
    x = 48,371,036,313.11/345,927.47
  6. Step 6: Final answer
    x = 139,830.00

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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.