Home / 178,125.54-245,695.02-114,543.78

Finding the Fourth Proportional to 178,125.54, 245,695.02 and 114,543.78

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Solution

The fourth proportional to 178,125.54, 245,695.02 and 114,543.78 is: 157,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,125.54 : 245,695.02 = 114,543.78 : x
  2. Step 2: Convert to fraction form
    178,125.54/245,695.02 = 114,543.78/x
  3. Step 3: Cross multiply
    178,125.54x = 245,695.02 × 114,543.78
  4. Step 4: Simplify right side
    178,125.54x = 28,142,836,317.98
  5. Step 5: Solve for x
    x = 28,142,836,317.98/178,125.54
  6. Step 6: Final answer
    x = 157,994.39

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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.