Home / 178,009.31-245,652.66-97,436.11

Finding the Fourth Proportional to 178,009.31, 245,652.66 and 97,436.11

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Solution

The fourth proportional to 178,009.31, 245,652.66 and 97,436.11 is: 134,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,009.31 : 245,652.66 = 97,436.11 : x
  2. Step 2: Convert to fraction form
    178,009.31/245,652.66 = 97,436.11/x
  3. Step 3: Cross multiply
    178,009.31x = 245,652.66 × 97,436.11
  4. Step 4: Simplify right side
    178,009.31x = 23,935,439,601.55
  5. Step 5: Solve for x
    x = 23,935,439,601.55/178,009.31
  6. Step 6: Final answer
    x = 134,461.73

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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.