Home / 178,931.72-246,928.84-98,362.64

Finding the Fourth Proportional to 178,931.72, 246,928.84 and 98,362.64

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Solution

The fourth proportional to 178,931.72, 246,928.84 and 98,362.64 is: 135,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,931.72 : 246,928.84 = 98,362.64 : x
  2. Step 2: Convert to fraction form
    178,931.72/246,928.84 = 98,362.64/x
  3. Step 3: Cross multiply
    178,931.72x = 246,928.84 × 98,362.64
  4. Step 4: Simplify right side
    178,931.72x = 24,288,572,594.54
  5. Step 5: Solve for x
    x = 24,288,572,594.54/178,931.72
  6. Step 6: Final answer
    x = 135,742.13

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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.