Home / 157,639.61-236,496.92-51,023.56

Finding the Fourth Proportional to 157,639.61, 236,496.92 and 51,023.56

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Solution

The fourth proportional to 157,639.61, 236,496.92 and 51,023.56 is: 76,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,639.61 : 236,496.92 = 51,023.56 : x
  2. Step 2: Convert to fraction form
    157,639.61/236,496.92 = 51,023.56/x
  3. Step 3: Cross multiply
    157,639.61x = 236,496.92 × 51,023.56
  4. Step 4: Simplify right side
    157,639.61x = 12,066,914,787.44
  5. Step 5: Solve for x
    x = 12,066,914,787.44/157,639.61
  6. Step 6: Final answer
    x = 76,547.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.