Home / 157,611.32-236,399.45-56,405.29

Finding the Fourth Proportional to 157,611.32, 236,399.45 and 56,405.29

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Solution

The fourth proportional to 157,611.32, 236,399.45 and 56,405.29 is: 84,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,611.32 : 236,399.45 = 56,405.29 : x
  2. Step 2: Convert to fraction form
    157,611.32/236,399.45 = 56,405.29/x
  3. Step 3: Cross multiply
    157,611.32x = 236,399.45 × 56,405.29
  4. Step 4: Simplify right side
    157,611.32x = 13,334,179,083.11
  5. Step 5: Solve for x
    x = 13,334,179,083.11/157,611.32
  6. Step 6: Final answer
    x = 84,601.66

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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.