Home / 176,023.53-242,954.87-103,442.45

Finding the Fourth Proportional to 176,023.53, 242,954.87 and 103,442.45

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Solution

The fourth proportional to 176,023.53, 242,954.87 and 103,442.45 is: 142,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,023.53 : 242,954.87 = 103,442.45 : x
  2. Step 2: Convert to fraction form
    176,023.53/242,954.87 = 103,442.45/x
  3. Step 3: Cross multiply
    176,023.53x = 242,954.87 × 103,442.45
  4. Step 4: Simplify right side
    176,023.53x = 25,131,845,260.24
  5. Step 5: Solve for x
    x = 25,131,845,260.24/176,023.53
  6. Step 6: Final answer
    x = 142,775.49

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1.5x scale

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.