Home / 157,493.92-236,288.55-56,278.72

Finding the Fourth Proportional to 157,493.92, 236,288.55 and 56,278.72

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Solution

The fourth proportional to 157,493.92, 236,288.55 and 56,278.72 is: 84,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,493.92 : 236,288.55 = 56,278.72 : x
  2. Step 2: Convert to fraction form
    157,493.92/236,288.55 = 56,278.72/x
  3. Step 3: Cross multiply
    157,493.92x = 236,288.55 × 56,278.72
  4. Step 4: Simplify right side
    157,493.92x = 13,298,017,144.66
  5. Step 5: Solve for x
    x = 13,298,017,144.66/157,493.92
  6. Step 6: Final answer
    x = 84,435.11

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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.