Home / 178,146.72-245,846.88-97,577.64

Finding the Fourth Proportional to 178,146.72, 245,846.88 and 97,577.64

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Solution

The fourth proportional to 178,146.72, 245,846.88 and 97,577.64 is: 134,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,146.72 : 245,846.88 = 97,577.64 : x
  2. Step 2: Convert to fraction form
    178,146.72/245,846.88 = 97,577.64/x
  3. Step 3: Cross multiply
    178,146.72x = 245,846.88 × 97,577.64
  4. Step 4: Simplify right side
    178,146.72x = 23,989,158,351.76
  5. Step 5: Solve for x
    x = 23,989,158,351.76/178,146.72
  6. Step 6: Final answer
    x = 134,659.56

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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.