Home / 178,094.08-245,274.24-137,658.88

Finding the Fourth Proportional to 178,094.08, 245,274.24 and 137,658.88

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Solution

The fourth proportional to 178,094.08, 245,274.24 and 137,658.88 is: 189,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,094.08 : 245,274.24 = 137,658.88 : x
  2. Step 2: Convert to fraction form
    178,094.08/245,274.24 = 137,658.88/x
  3. Step 3: Cross multiply
    178,094.08x = 245,274.24 × 137,658.88
  4. Step 4: Simplify right side
    178,094.08x = 33,764,177,171.25
  5. Step 5: Solve for x
    x = 33,764,177,171.25/178,094.08
  6. Step 6: Final answer
    x = 189,586.18

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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.