Home / 178,143.06-245,719.15-114,561.30

Finding the Fourth Proportional to 178,143.06, 245,719.15 and 114,561.30

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Solution

The fourth proportional to 178,143.06, 245,719.15 and 114,561.30 is: 158,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,143.06 : 245,719.15 = 114,561.30 : x
  2. Step 2: Convert to fraction form
    178,143.06/245,719.15 = 114,561.30/x
  3. Step 3: Cross multiply
    178,143.06x = 245,719.15 × 114,561.30
  4. Step 4: Simplify right side
    178,143.06x = 28,149,905,258.90
  5. Step 5: Solve for x
    x = 28,149,905,258.90/178,143.06
  6. Step 6: Final answer
    x = 158,018.53

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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.